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.
--------
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: This is a very easy-to-use timer, the big numbers are great and I can hear it go off quite a distance away! I use it a lot when I'm using my PC because time just seems to disappear when I'm back in the office working on it! The magnetic back is nice so that I can put it on my fridge.

Answer: positive

Question: The bottom of shoes are broken after frist day use, I wear size 7.5 but shoes is size 8 still little small, I don't know if I still can return this product

Answer:
negative