In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.
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Question: it worked great for a few months and then it suddenly stopped charging. it repeatedly bumps against the dock but never begins charging. the battery is now dead and it doesnt work anymore.

Answer: negative

Question: Unfortunately they didn't work for me at all for they doesn't work with soft tissue. My skin tissue is too soft and it won't stay in place. So be careful unfortunately it won't work for everyone. The firmer your skin is the better it may work.

Answer: negative

Question: perfect film. the box has some slight malformation but the presentation and bonus feature are remarkable, aside from the film finally having the desired aspect ratio.

Answer:
positive