instruction:
Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.
question:
Got one six month ago and it worked OK to start with - I didn't use the Macbook much for the past 4 months and just saw that the battery is seriously expanded now (to the point where it jumped out when I unlocked the battery lock) and very obviously not working any more. It's definitely dead, Jim.
answer:
Negative Review

question:
Memory was delivered promptly .<br />Was installed easily and made a difference in netbook speed. Very satisfied
answer:
Positive Review

question:
this is too big for a 15 inch macbook pro. also, very poor quality.
answer:
Negative Review