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.

Ex Input:
Like the look of them, Thought I ordered a different pattern but that might have been my fault. They're comfortable and nice looking. Helps with the swelling in my legs.

Ex Output:
positive

Ex Input:
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.

Ex Output:
negative

Ex Input:
We've had this installed for about a month now, and so far no issues and works like a charm. If our dog could talk, I'm sure would tell you how it works..

Ex Output:
positive