Input: LOOKS LIKE THIS DELL IS A PIECE OF CRAP.

Output: [['laptop quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: IT DOES NOT TURN ON - IF I TAKE THE BATTERY OUT IT MIGHT WORK, NOT SURE IF IT'S A BAD BATTERY OR COMPUTER!

Output: [['laptop operation_performance', 'negative'], ['laptop quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: DO NOT RECOMMEND!

Output: [['laptop general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Awesome laptop!

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Bootup time is amazing, battery life is decent and it has a great slim form factor.

Output: [['laptop operation_performance', 'positive'], ['battery operation_performance', 'neutral'], ['laptop design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: There is somewhat of a learning curve, but the operating system, and hardware of this Mac are great.

Output: [['laptop usability', 'neutral'], ['os general', 'positive'], ['hardware general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: More than enough for my use.

Output: [['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The display is vibrant and clear, the keyboard is well designed and pleasant to type on;

Output: [['display quality', 'positive'], ['keyboard design_features', 'positive'], ['keyboard usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I even installed a windows partition to be able to run Windows software.

Output: [['laptop usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Things just work, they are fluid, easy to use and understand, fast and work well.

Output: [['laptop operation_performance', 'positive'], ['laptop usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: This computer is absolutely perfect for web browsing, watching video, word processing, and that's about it.

Output: [['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: If you want a computer that plays games or any advanced tasks like editing video, this computer is NOT for you.

Output: [['laptop miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Now when I say don't expect to play games on it, I mean it.

Output: [['laptop miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Pretty much every major game save for Solitare won't even play on it due to the slower processor.

Output: [['laptop miscellaneous', 'negative'], ['cpu operation_performance', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Its also worth noting that there no bluetooth, no mircophone jack, no ethernet, no dvd/cd drive/burner, and no usb 3.0 ports.

Output: [['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It DOES come with two usb 2.0 ports, a hdmi port, and a webcam.

Output: [['laptop design_features', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The webcam is nothing special, its there if you need it.

Output: [['multimedia_devices general', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Don't expect it to take good pictures or video.

Output: [['multimedia_devices quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The battery is pretty soild.

Output: [['battery quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It lasts up to 5-6 hours with normal use.

Output: [['battery operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The computer itself runs very quiet and is mostly cool to the touch.

Output: [['laptop quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The only major negative to me is Windows 8.1 (though YMMV) and the Dell crapware installed.

Output: [['os general', 'negative'], ['software general', 'negative'], ['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Not bad for the price.

Output: [['laptop general', 'neutral'], ['laptop price', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I needed an inexpensive laptop to do basic office work on that was lightweight and this fits the bill just fine.

Output: [['laptop price', 'positive'], ['laptop design_features', 'positive'], ['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Performance wise, it's a bit slow, but that's to be expected from a Celeron-class processor.

Output: [['laptop operation_performance', 'negative'], ['cpu operation_performance', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I'm also not a fan of Windows 8, but fortunately I can install whatever I want on the laptop without issue.

Output: [['os general', 'negative'], ['laptop usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Love everything about this laptop!

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Sound, quality and touchscreen are awesome!

Output: [['multimedia_devices quality', 'positive'], ['laptop quality', 'positive'], ['display general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I would definitely recommend this!!

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I love this laptop to the moon.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: My favorite colors black and red, the matte material and the red backlight of the keyboard.

Output: [['laptop design_features', 'positive'], ['laptop quality', 'positive'], ['keyboard design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The sound is great and it's fast.

Output: [['multimedia_devices quality', 'positive'], ['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The laptop is beautiful, not extremely light but thin enough and wide screen with a full keyboard.

Output: [['laptop design_features', 'positive'], ['display design_features', 'positive'], ['keyboard design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The touch screen response is fast and it picks up bluetooth and wifi FAST.

Output: [['display operation_performance', 'positive'], ['laptop connectivity', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Microsoft Office is a 30 day trial, a number of games and apps are already preloaded.

Output: [['software miscellaneous', 'neutral'], ['laptop design_features', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It's exactly like the picture and I AM SATISFIED.

Output: [['laptop miscellaneous', 'positive'], ['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Great laptop light and very versatile

Output: [['laptop general', 'positive'], ['laptop design_features', 'positive'], ['laptop usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: it was easy to set up.

Output: [['laptop usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I like the number pad for work so that's nice

Output: [['keyboard design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: This is going to be random and unorganized, but here are my thoughts on the laptop:So far so good after a month.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It took some getting used to on the Widows 8.1, after being an XP user for many years.

Output: [['os usability', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Everything seems to be running smoothly.

Output: [['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Only downfall is the preloaded McAfee and other software.

Output: [['software general', 'negative'], ['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: They are fine while the free subscription is going, but a pain when they start asking you to spend money every time you login.

Output: [['software general', 'positive'], ['software miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Device is light weight, quiet during operation and produces little to no heat.

Output: [['laptop design_features', 'positive'], ['laptop quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It has a quick start up and shut down time.

Output: [['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The display is good quality.

Output: [['display quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Just wish there were more USB ports.

Output: [['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I AM IMPRESSED WITH THIS COMPUTER, INEXPENSIVE BUT QUALITY.

Output: [['laptop general', 'positive'], ['laptop price', 'positive'], ['laptop quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: LOVE THE SIZE, I AM USING THIS FOR WORK, I AM A NURSE AND HAVE TO CHART DAILY, THIS IS EASY TO USE AND I HAVE NOT HAD ANY PROBLEMS WITH IT.

Output: [['laptop design_features', 'positive'], ['laptop usability', 'positive'], ['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It's so damn good I bought 2 :D

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: If you're the type of person that just likes to browse the Internet and enjoy media and do light work with Microsoft office, this is the laptop for you.

Output: [['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Don't expect it to be a champion performer so if you want to play games or whatever this is not the computer for you.

Output: [['laptop operation_performance', 'neutral'], ['laptop miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It's extremely light weight and slim because of the lack of an optical drive (who uses those anymore anyways) so it easily fits into any college students bag.

Output: [['laptop design_features', 'positive'], ['laptop portability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I would recommend this to anyone who doesn't need much out of a computer.

Output: [['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I am very happy with this computer.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It is exactly what I expected, and the price is excellent!

Output: [['laptop general', 'positive'], ['laptop price', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: You are getting what you pay for and in my opinion, it is worth more.

Output: [['laptop general', 'positive'], ['laptop price', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Been using it for about 4 hours now and it seems plenty fast and does everything I need it to do.

Output: [['laptop operation_performance', 'positive'], ['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Its a very basic laptop.

Output: [['laptop miscellaneous', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I thought it would have a CD-rom drive, but there isnt one.

Output: [['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Also wish it had a port to plug an internet cord into it because sometimes my wifi router likes to not work.

Output: [['laptop design_features', 'negative'], ['laptop connectivity', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: But for the price its good.

Output: [['laptop general', 'positive'], ['laptop price', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Other than the slow CPU it works great for everyday use.

Output: [['cpu operation_performance', 'negative'], ['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Heavy gaming is definitely not it's strong point.

Output: [['laptop miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The cover is a soft rubber texture without the friction.

Output: [['laptop quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Slick design and looks great.

Output: [['laptop design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The machine is easy to use, has the power it needs for personal use and some light professional work.

Output: [['laptop usability', 'positive'], ['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It could be lighter, but couldn't everything.

Output: [['laptop design_features', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The battery seems adequate for most uses ~ 4.5 hour use/charge.

Output: [['battery operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Screen is clear and bright.

Output: [['display quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Glad it has the DVD drive.

Output: [['laptop design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Perfectly adequate.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Great PC.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The i7 is incredibly fast, the RAM makes it proper for several games (not on maximum quality).

Output: [['cpu operation_performance', 'positive'], ['memory design_features', 'positive'], ['laptop miscellaneous', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Great sound quality too.

Output: [['multimedia_devices quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Nice laptop.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I use it for school, its quick and has everything I need on it.

Output: [['laptop operation_performance', 'positive'], ['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Good battery life as well.

Output: [['battery operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Wifi card not working right out of the box.

Output: [['laptop connectivity', 'negative'], ['hardware quality', 'negative'], ['hardware operation_performance', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Dealing with HP support is a ridiculous and painful experience.

Output: [['support quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I have spent more than 2.5 hours on the phone with them (over 4 different calls), only to get no where.

Output: [['support quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Now I'm looking into the return process, which I'm sure will just be loads of fun, if my prior experience is any indication.

Output: [['support quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Seriously, save yourself the hassle and purchase from a different company.

Output: [['company general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Used to love HP products, but this has soured me on the whole company.

Output: [['laptop general', 'negative'], ['company general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: By far the best laptop I've ever had.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Its fast, powerful, screen display is top notch and the battery life is excellent for a laptop of this size.

Output: [['laptop operation_performance', 'positive'], ['display quality', 'positive'], ['battery operation_performance', 'positive'], ['laptop design_features', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: My only concern is that since the battery is not external, I will not be able to change it out once it starts not to hold a good charge over a length of time.

Output: [['battery design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I wonder if thats just Apples way of saying its time to get the newest and greatest laptop 3-4 years from now lol.

Output: [['company general', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The product is average and works well.

Output: [['laptop general', 'neutral'], ['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Works at a decent speed.

Output: [['laptop operation_performance', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The mouse pad however is very loud which is why i gave it four stars.

Output: [['mouse quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I had a great experience purchasing my Dell Inspiron i3531-1200BK 15.6-Inch Laptop.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: My laptop was easy to set-up, and I've had no problems to date.

Output: [['laptop usability', 'positive'], ['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Did not disappoint me at all.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Lenovo is the best laptop.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Built in mike is really poor and unusable for Skype or any other purpose.

Output: [['multimedia_devices quality', 'negative'], ['multimedia_devices usability', 'negative'], ['multimedia_devices miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: And the only microphone input is for a combo Mike/Speaker plug.

Output: [['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: So to communicate I need to wear ear plugs or a headset with a built-in mike.

Output: [['laptop usability', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: That's a nuisance for family Skype calls...only one can speak at a time.

Output: [['laptop usability', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: We haven't used it enough or had it long enough to give it 5 stars, but so far it has been a very good laptop.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Several other reviewers made comments on the keyboard and now I can understand why --- this keyboard is the nicest to use of any laptop we've ever owned.

Output: [['keyboard usability', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I'm a life-long desktop computer user, and the keyboard on this laptop is as close to a "normal" keyboard as I've ever seen.

Output: [['keyboard general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: We like this new laptop -- a lot!

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Very good performer for the price.

Output: [['laptop operation_performance', 'positive'], ['laptop price', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Not blazing fast, but quick enough.

Output: [['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: One really nice thing about Lenovo laptops is that they are not cluttered with a bunch or trial software.

Output: [['laptop design_features', 'positive'], ['software miscellaneous', 'positive'], ['company general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The desktop was clean once I got it up and running.

Output: [['laptop design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Battery life is above average, and it charges quickly.

Output: [['battery operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Keyboard is sturdy.

Output: [['keyboard quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The touch pad takes a little getting used to as the "click" buttons are on top instead of the bottom.

Output: [['mouse design_features', 'neutral'], ['mouse usability', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I will be considering Lenovo for all future laptop purchases.

Output: [['company general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: This lap top is good so far.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: It is quiet runs smoothly.

Output: [['laptop quality', 'positive'], ['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I really like the video option on it, I stream movies on Amazon Prime and Netflix and there is no lag.

Output: [['laptop design_features', 'positive'], ['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The only negative would be that it gets pretty warm sitting on my lap for very long, but that is pretty much standard for all lop tops I think.

Output: [['laptop quality', 'neutral']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: it stopped working 31 days after purchase.

Output: [['laptop operation_performance', 'negative'], ['laptop quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: it was slow and might be problematic.

Output: [['laptop operation_performance', 'negative'], ['laptop general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: i would shop around for a better one.

Output: [['laptop general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: CRASHED only 2 days from getting it!!!!

Output: [['laptop operation_performance', 'negative'], ['laptop quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Says it is failing hard drive.

Output: [['hard_disc quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I should have bought something better.

Output: [['laptop general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The PC is works well with a good battery and a power cable, and has a web cam.

Output: [['laptop operation_performance', 'positive'], ['battery general', 'positive'], ['laptop design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: However, it does not have a DVD drive, neither does it afford one the opportunity to connect an external DVD drive as the manufacturer did not make any point ofconnection of an external drive.

Output: [['laptop design_features', 'negative'], ['laptop usability', 'negative'], ['laptop connectivity', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Other than a hate of windows 8, she just loves it.

Output: [['laptop general', 'positive'], ['os general', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The plastic materials are rather cheap.

Output: [['laptop quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: LOVE IT!

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: NEEDS MORE INSTRUCTIONS WITH IT

Output: [['laptop miscellaneous', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I'm very happy with my Acer, it does just for what I need it.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Even the sound is fantastic

Output: [['multimedia_devices quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: I love this laptop.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Even my extremely tech savvy boyfriend was impressed with the features and sleek design.

Output: [['laptop design_features', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Although I've had it for less than a week, I am very satisfied.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Functions well.

Output: [['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Does all that was advertised.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: If it had a 4,5 star option, that is what I would give.

Output: [['laptop general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: The build is perfect, the screen fantastic, but I do have a bit of a problem with the fact that I have to buy adaptors for nearly everything, from vga cables to ethernet cables, so, almost perfect...

Output: [['laptop quality', 'positive'], ['display general', 'positive'], ['laptop connectivity', 'negative'], ['laptop usability', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: 1.Great display.

Output: [['display general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Love the color accuracy.

Output: [['display quality', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: 2.Very decent speakers.

Output: [['multimedia_devices general', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: 3.Fairly fast.

Output: [['laptop operation_performance', 'positive']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: 4.Loud fan when watching 4K video off YouTube.

Output: [['fans_cooling quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Sounds like a washer.

Output: [['fans_cooling quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Machine gets fairly hot near the bottom of the screen.

Output: [['laptop quality', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Battery power laptop had difficulties computing.

Output: [['laptop operation_performance', 'negative'], ['laptop usability', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: 6.Still feels too heavy to me.

Output: [['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Input: Could lose another pound or two.

Output: [['laptop design_features', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]


Output: [['laptop price', 'negative']]

Instruction: Task: Extracting aspect terms' aspect categories and their corresponding sentiment polarities. Input: A sentence. Output: A list of 2-tuples, where each tuple contains the extracted aspect category and their corresponding sentiment polarity. Supplement: "Null" means that there is no occurrence in the sentence. Example:  Input: "They gave me a hard time yet again, but their was a malfunction in the battery itself, it didn't die."  Output: [['battery operation_performance', 'negative'], ['support quality', 'negative']]