Input: the only drawback is no DVD player.. but for $20 you can buy an external 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: Very light and beautiful.

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: It's just a little slow.

Output: [['laptop 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: five starts

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: Terribly slow...

Output: [['laptop 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: Start up time took forever everything runs very slowly.

Output: [['laptop 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: Screen broke 1 month outside warranty.

Output: [['display 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: Overall build quality is 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: Avoid Acer.

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: Not bad.

Output: [['laptop 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: Nice and light, seems to help your work instead of becoming work itself.

Output: [['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: Perfect size for me.

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: Probably not a gaming machine, which I have zero interest in.

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 just love this ultrabook

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 defenitly recommend it for anyone for office and home work

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: It's ok.

Output: [['laptop 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: I find that it often gets very slow and I have to restart more than usual.

Output: [['laptop 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: It's light and easy to use, though.

Output: [['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: I love this computer, this is my first ever Mac (I'm 21) and it took a little while to switch over from the OS I was used to, but it was a fast learning curve.

Output: [['laptop general', 'positive'], ['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: The resolution is gorgeous, the computer is light, it does everything I need and the interface is pretty intuitive.

Output: [['display quality', 'positive'], ['laptop design_features', 'positive'], ['laptop general', 'positive'], ['os 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 love 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: However I am very upset that it doesn't have the superdrive built in!

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: Supper east to use.

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: Retina display is beautiful.

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: Also very quick laptop!

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: Con: Hate that it has no disk drive.

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 also glad it doesnt get too hot when left on for an extended period of time.

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 battery life is good, even with using high profile software like Sibelius 7 for a good half of the day.

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: Wonderful, super fast, lightweight computer

Output: [['laptop general', 'positive'], ['laptop operation_performance', '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: The New Macbook pro working, good user experience, fast speed, faster start up time.

Output: [['laptop usability', '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: This is what I was looking for.

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 has a wide screen and it's easy to use.

Output: [['display 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: At my age, I need this kind of laptop.

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: Extremely slow.

Output: [['laptop 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: A masterpiece 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: not durable .

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: slow processor, just not it

Output: [['cpu 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 can't use the Trackpad very well, it's too sensitive, so I hooked up a mouse.

Output: [['mouse usability', 'negative'], ['mouse 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: External monitor worked easily.

Output: [['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: Been using Lenovo ThinkPad Edge laptops in our business for several years now and have no complaints about any of them.

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: They have held up well not just in our sales department, but also in our service department where they are exposed to dust, exhaust, grease, oil, and all manner of other non-computer-friendly substances.

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: GENERAL, a quality laptop.

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 Lenovo software that comes preinstalled may qualify as bloatware but is easily removed if you're not interested in it.

Output: [['software general', 'neutral'], ['laptop design_features', 'neutral'], ['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: Windows 7 rocks.

Output: [['os 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: Computer runs very slow!

Output: [['laptop 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: Great 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: Bigger screen than expected, laptop with a desktop design that is really nice to use for all types of usage, including programming/editing

Output: [['display design_features', 'positive'], ['laptop design_features', 'positive'], ['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: One of the very few laptops still available with Win 7 Pro, multiple USB ports, and a DVD read/write drive.

Output: [['os 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: Only drawback is no LED to show when the hard drive is being accessed.

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: Not a necessity, but something I've come to expect.

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: Does what I need it to do and the price was right!

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: Great laptop from Apple!

Output: [['laptop general', '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: Apple is unrivaled in terms of build quality and functionality.

Output: [['laptop quality', 'positive'], ['laptop operation_performance', '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 retina screen is absolutely beautiful and the touchpad is the best touchpad to date.

Output: [['display general', 'positive'], ['mouse 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 pair allow for seamless navigation throughout the whole interface.

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: Battery life is astonishing given the processing power and high resolution display.

Output: [['battery operation_performance', 'positive'], ['cpu operation_performance', 'positive'], ['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: I can easily get 10 hours out of a full 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: Overall, a high quality laptop and a great value considering all this computer has to offer.

Output: [['laptop quality', 'positive'], ['laptop price', '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: Well worth the extra cost.

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: Size is perfect and display is beautiful!

Output: [['laptop design_features', '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: Excellent performance, especially given its price point.

Output: [['laptop operation_performance', '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: The screen is wide and provides excellent clarity.

Output: [['display design_features', 'positive'], ['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: It is not a small, compact laptop, but I won't be traveling via air often, so its size and weight is not a problem for me.

Output: [['laptop design_features', 'neutral'], ['laptop portability', '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 can appreciate why she recommended 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: Don't expect much in terms of performance from this laptop.

Output: [['laptop 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: It gets the job done in terms of having a computer that can browse the web, use Word/Excel, and the like.

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: This laptop does NOT have an RJ-45 Ethernet adapter for wired network connection.

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: fast easy

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: So far I do not have any trouble with it other than the picture quality is a bit poor.

Output: [['laptop general', 'positive'], ['display 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 had it over a month now and it works just fine.

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: This laptop suits my needs: as i am currently studying online and just need a computer for that purpose.

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: My daughter uses it for college too and it works great for both of us.

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: So i gave this 4 stars but only because of the poor picture quality, other than that it is a great buy!

Output: [['laptop general', 'positive'], ['display 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: This laptop is absolutely horrible.

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: I bought it simply for Excel on Windows for work since I have a Macbook Air and literally the thing freezes and lags opening Excel or my web browser.

Output: [['laptop 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: There is a chance mine is defective but regardless I'm not going to try another one this is a terrible product.

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: I'd much rather bite the bullet and spend a little more for a product that actually meets minimum computing expectations for 2014.

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: I appreciate the effort to hit affordable pricing Dell but just not worth it.

Output: [['laptop price', 'positive'], ['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: It is slow and complicated and very disappointing

Output: [['laptop operation_performance', 'negative'], ['laptop usability', '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: Great labtop..

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: not as fast as I would have liked it to be but everything else is great!

Output: [['laptop operation_performance', 'negative'], ['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've only had this computer for a few days an I already don't like it.

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 battery life is a joke and it's causing other problems.

Output: [['battery operation_performance', 'negative'], ['battery 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 will be returning it.

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: If people are writing bad reviews about this laptop then believe what they say.

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: This is an ok computer.

Output: [['laptop 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 processor shows a speed of 1.7gz.

Output: [['cpu 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 sound is disappointing.

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: No bass sound at all.

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: Maybe this one is just a dud.

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: the computer is very wonderful.

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: was not aware it did not have a disk drive when i bought it or i would not of purchased it.

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 have a habit of restarting itself when you try to do the log in pw. but over all. im very satisfied.

Output: [['laptop operation_performance', 'negative'], ['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 very fast and very light.

Output: [['laptop operation_performance', '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: great product.

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 am giviing it four stars instead of five because of no disk drive and the crashing

Output: [['laptop general', 'positive'], ['laptop design_features', 'negative'], ['laptop 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 absolutely love my Dell Inspiron!

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 powers on/off very quickly, and it loads up automatically.

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 mouse click is a bit loud, but it really isn't a problem.

Output: [['mouse 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: For $250, I highly recommend!!

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: very poor quality lap top....

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: I am returning it...

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: Slow

Output: [['laptop 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: GREAT value laptop!

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: I can't believe this was just $250

Output: [['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: Speed is great, easy to set up and get going.

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: Very pleased 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 very difficult to use this computer.

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: Too many steps to get anywhere and hard to set up

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: This things run smoothly for its price, and the battery life seems to go on forever.

Output: [['laptop operation_performance', 'positive'], ['laptop price', 'neutral'], ['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: I wasn't disappointed in its performance.

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: All in all, it's well worth its price tag.

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: Great laptop for the price.

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: It was nearly impossible to find a laptop that had A) a side keyboard.

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: B) a DVD/CD player.

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: C) a large hard drive instead of using the Cloud

Output: [['hard_disc 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: D) was under $300 with shipping.

Output: [['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: The only con is Windows effin 8.

Output: [['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: Still giving it a 5 star rating because it is fast and a nice sized screen.

Output: [['laptop general', 'positive'], ['laptop operation_performance', 'positive'], ['display 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: Great for web design and general work.

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: Overall good but processing power isn't very good.

Output: [['laptop general', 'positive'], ['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: W7 Pro with W8 pro upgrade is nice, but it frequently freezes for a few seconds here and there.

Output: [['os general', 'positive'], ['os 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 replaced stock drive with WD Black 7K drive and is still quite slow.

Output: [['laptop 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: Battery doesn't last long web browsing (2.5 hours maybe).

Output: [['battery 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: It has some bloat wear that I wish weren't there.

Output: [['laptop design_features', 'negative'], ['software 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: It works fine for a PC in this price range.

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: I bought it for my parents (late 60s) and they love it - particularly the keyboard and screen.

Output: [['laptop general', 'positive'], ['keyboard general', '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: Terrific value for the money.

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: Love the key layout and the built-in mouse pad - all work well and are properly sized.

Output: [['keyboard design_features', 'positive'], ['mouse design_features', 'positive'], ['keyboard operation_performance', 'positive'], ['mouse 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: Highly recommended.

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: works good but doesn't seem like it's made sturdy.

Output: [['laptop operation_performance', 'positive'], ['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: kinda to light and plastic feeling.

Output: [['laptop design_features', '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: Killer 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: I would highly recommend this computer it is FAST!!!

Output: [['laptop general', '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: Doesn't have touch screen but I have a tablet so that wasn't so important.

Output: [['display 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: Look and feel is good.

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: I am experiencing the system little slower than what I have expected.

Output: [['laptop 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: And processor feels pressured even though I run medium scale programs, watching the way exhaust speed increases.

Output: [['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: The hdd has a scratching noise.

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: The system sometimes lags a lot.

Output: [['laptop 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 don't like it at all...

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: I can't put a protector to make presentation...

Output: [['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: A good value on a quality product.

Output: [['laptop quality', '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: Easy setup, and delivers all the functions we need.

Output: [['laptop usability', '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: This laptop is amazing!

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: Despite the fact that there's no optical drive, everything is perfect.

Output: [['laptop design_features', 'neutral'], ['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 screen resolution is crystal clear, the speakers are amazing, and the track pad is easy to use.

Output: [['display quality', 'positive'], ['multimedia_devices general', 'positive'], ['mouse 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: The home page/startup is easy to navigate which is the one thing I was mainly concerned about.

Output: [['os 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: Internet is fast and reliable, battery life lasts a long time.

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