Input: The So called laptop Runs to Slow and I hate it!

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

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


Input: Do not  buy 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: It is the worst laptop ever

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 image is great, and the soud is excelent.

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

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


Input: i love ths notebook.

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

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


Input: I love the glass touchpad.

Output: [['mouse 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: Easy learning curve.

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: Also the display is exceptional!

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: I have loved this since i took it out of the box.

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

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


Input: The battery is really long.

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

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


Input: the features are great, the only thing it needs is better speakers.

Output: [['laptop design_features', 'positive'], ['multimedia_devices 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: Small and light weight.

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: Speakers too small to be of any real use.

Output: [['multimedia_devices design_features', 'negative'], ['multimedia_devices 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: Keyboard good sized and wasy to use.

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

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


Input: I like 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: Meets my needs perfectly and is light enough for this senior to carry without affecting my arthritis.

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

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


Input: Needless to say, not to happy with the 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: This is a great machine!

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

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


Input: The design is awesome, quality is unprecedented.

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: Apparently well-built and gorgeous to look at, the i5 MacBook Pro is a winning combination of price and performance.

Output: [['laptop quality', 'positive'], ['laptop design_features', 'positive'], ['laptop price', '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: It is by far one of the greatest investments I have ever made.

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: Am very glad I bought it, great netbook, low price.

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 good quality and well made.

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: Great pick for portability and affordability.

Output: [['laptop portability', '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 black model also has a very nice seamless appearance - one of the better looking notebooks I've seen.

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

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


Input: The only problem is a lack of screen resolutions!

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: If you need an affordable, entry-level laptop, this will fit the bill.

Output: [['laptop price', '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: I dislike the weight and size, cubersome.

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

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


Input: I dislike the quality and the placement of the speakers.

Output: [['multimedia_devices quality', 'negative'], ['multimedia_devices 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: Overall, 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: Laptop is advertised as a 15" but the casing looks like that of a 17".

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: This laptop is very large and barely fits in any carrying cases.

Output: [['laptop design_features', 'negative'], ['laptop portability', '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: Peformance is good for the price.

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

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


Input: If you're not wanting to be mobile, this is a good laptop to sit on a desk.

Output: [['laptop portability', '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: Had to have this computer repaired twice in the first 5 months after purchasing it.

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 good for a person who gets online daily.

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

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


Input: May be better for the occasional web surfer.

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 got this laptop for college, and so far I am very happy with 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: It is so much easier 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: Good keyboard, long battery life, largest hard drive and windows 7.

Output: [['keyboard general', 'positive'], ['battery operation_performance', 'positive'], ['hard_disc design_features', 'positive'], ['os 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: And Toshiba is a quality supplier.

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

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


Input: I love this little one.

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

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


Input: The keyboard has a wonderful nature feel.

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

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


Input: great battery life.

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

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


Input: Keyboard is reasonable size.

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: Small screen somewhat limiting but great for travel.

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

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


Input: Charger seems large for this class of computer.

Output: [['power_supply 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: Great Laptop for the price, works well with action pack games.

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

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


Input: The only thing that I have, is the key broad is a little dark to see the letters, would help if it was a little lighter then it is.

Output: [['keyboard design_features', 'negative'], ['keyboard 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: but other then that I would give this product a 4 in hafe stars.

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: Good for every day computing and web browsing.

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: A great computer for light home use and business use.

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

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


Input: Might not make the avid gamer happy but I don't really think that is what this computer is designed for.

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: Crisp screen, great battery life, and plenty of storage.

Output: [['display quality', 'positive'], ['battery operation_performance', 'positive'], ['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: Very happy.

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: He loves it and it is easy to use and well the schools start teaching the kids early about computers so it was easy for him to get started.

Output: [['laptop general', '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 would recomend this acer to parents and grandparents it can really help them in school.

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 ONLY PROBLEM IS I CAN NOT REG. THE PRODUCT KEY.

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

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


Input: IT WANT TAKE IT, IT KEEP SAYING ERROR.

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

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


Input: HELP, HELP, OTHER THAN THAT GETS A GREAT LITTLE WONDER.

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's fast and has excellent battery life.

Output: [['laptop operation_performance', '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: The screen shows great colors.

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

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


Input: I was surprised with the performance and quality of this HP Laptop.

Output: [['laptop operation_performance', '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: the speed is 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: But with A WAY Bigger Screen, and IS able to connect to an HDMI.

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

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


Input: Love it.

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

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


Input: I would recommend this computer to anyone searching for the perfect laptop, and the battery life is amazing.

Output: [['laptop general', '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 BOUGHT THIS LAP TOP AND THE CHARGE TIME DOSEN'T LAST AS LONG AS THEY SAY IT WILL MORE LIKE 2 HOURS

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: This computer is the ideal college companion.

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 software and speed enable it to do amazing things.

Output: [['laptop operation_performance', 'positive'], ['software 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 not happy at all with the product I purchased.

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: A cheaper price should not equal a "cheap" product.

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

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


Input: It was over rated!

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 Toshiba laptop was a great purchase.

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

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


Input: The price was very good, and the product is top quality.

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

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


Input: The delivery was fast, and I would not hesitate to purchase this laptop again.

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

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


Input: It has easy to use features and all the speed and power I could ask for.

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: True quality at a great price!

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: I am enjoying it and the quality it provides is great!

Output: [['laptop general', '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: Toshiba is a great brand, even though I haven't had it for a long time, I am very happy with it!

Output: [['company general', '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: The screen graphics and clarity, and sharpness are great.

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

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


Input: I've already recommended this laptop to a friend who eye'd the computer when I took it out of my bag.

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 like the laptop overall.

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

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


Input: The only thing i can say is that the touch pad doesnt work like it should all the time.

Output: [['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: Sometimes you really have to tap the pad to get it to work

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

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


Input: This is a great little computer 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: Simple to use, and great graphics.

Output: [['laptop usability', 'positive'], ['graphics 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 everything I would need for a home computer.

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

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


Input: I'm very impressed.

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 was secure and easy to navigate.

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

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


Input: It is everything that I would want in a 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: Besides the great look, it is a great machine.

Output: [['laptop design_features', '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: Once again apple stands alone at the top of the charts.

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

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


Input: I enjoy very much my new Toshiba, purchased specifially for attending online schooling.

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 have found it very easy to use, very imformative, wonder alerts and tutorials making it very easy for someone like me who is not exactly technologically advanced to learn to use the various features and programs.

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

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


Input: I have found also, it is very easy to be able to access wireless internet access; without having to have extra equipment and/or complicated routes to take to be able to do so.

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: I also love the small, convenient size of my laptop, making it a perfect tool for my academic studies.

Output: [['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: I am very pleased with my purchase!

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: This laptop serves all my needs.

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: Screen size is perfect for portable use in any environment.

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

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


Input: Price and purpose is awesome!

Output: [['laptop price', '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: I have been very pleased with the performance of this 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: The battery life seems to be very good, and have had no issues with it.

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: 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: The laptop was very easy to set up.

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

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


Input: Everything was so easy.

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: They were able to set-up with labtops themselves within a few minutes.

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: It works fine with our wireless and they've had not problems.

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

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


Input: It's a great product for a great price!

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: Waited on getting this computer, but it has been a great change.

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: Ease of use is just one of the benefits I love about my Mac.

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: The service I received from Toshiba went above and beyond the call of duty.

Output: [['support 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: My friend reports the notebook is astonishing in performance, picture quality, and ease of use.

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

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


Input: It is extremely portable and easily connects to WIFI at the library and elsewhere.

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

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


Input: Just what the doctor ordered.

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 cannot be happier with the service or product.

Output: [['support general', '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: power supply went bad after 2 weeks --

Output: [['power_supply 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: after much effort and 10 days ASUS replaced it

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

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


Input: The WiFi is very weak.

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: Summary: Spend your money elsewhere

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 a nicely sized laptop with lots of processing power and long battery life.

Output: [['laptop design_features', 'positive'], ['cpu operation_performance', '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: Love it 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: The Toshiba Net book operates very well.

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

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


Input: The only objection I have is that after you buy it the windows 7 system is a starter and charges for the upgrade.

Output: [['os 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 bought this netbook for traveling, and it's great - light, functional, and meets my needs.

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

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


Input: The touchpad is extremely sensitive, which is the only drawback.

Output: [['mouse 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: Otherwise, I love it!

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

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


Input: I wasn't really sure I wanted to spend that kind of money!

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

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


Input: It Was a great deal after all.

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 LOVE it!

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

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


Input: I should have bought one a long time ago.

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 enough time for me to give it 5 stars!

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've had the MacBook Pro 15 for about three weeks, and it really is a great 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 have only had PCs with Windows before so this takes a little getting use to.

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

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


Input: The real stand out on this computer is the feel of the keyboard and it's speed.

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

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


Input: It is fast booting up , shutting down, and connection with the internet.

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

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


Input: The one thing I wish it had was a detailed hardcopy manuel.

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

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


Input: I think the manual is somewhere on the hard drive, but I rather have a hard copy.

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: If what you need is a machine to do some surfing, email checking, word processing, and watching a movie or two, this is the machine you want.

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 priced very reasonable and works very well right out of the box.

Output: [['laptop price', '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: Nice and portable and definitely a decent enough system to keep you entertained while sitting in the airplane for a couple of hours, or at the hotel taking care of some last minute details and documents.

Output: [['laptop general', 'positive'], ['laptop portability', '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: the screen/video resolution won't increase to a higher resolution then 1024 x 60

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: That being said, it still runs video in full screen decently.

Output: [['display 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 a bit quiet if you're on a plane, this can easily be overcome with a decent pair of head phones.

Output: [['multimedia_devices 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: Bottom line, I doubt you'd be overly disappointed if you invest in this machine.

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: Yes, I thought the expese was a little much, but I now realize you get what you pay for.

Output: [['laptop price', '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 love my Apple, it is quick and easy to use.

Output: [['laptop general', 'positive'], ['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: I've had to call Apple support to set up my new printer and have had wonderful experiences with helpful, english speaking (from Vancouver) techs that walked me through the processes to help me.

Output: [['support 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't say enough of how satisfied I am with their product and help aftermarket.

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