Given the task definition and input, reply with output. Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

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.
Negative Review