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:
Slips off of my glasses after few hours time. They should grip and stay but they just fall right off and I have to keep putting it back on my glasses.

Ex Output:
negative

Ex Input:
I bought this for my elderly parents who seem to struggle with the use of almost any technology. So far, they have been able to use this in their own with minimal intervention from me (which is greatly appreciated)

Ex Output:
positive

Ex Input:
Beautiful musical show. This part must have been written for John Legend who is just outstanding as are the other actors. If you enjoy musicals, I'd put this one at the top of my list.

Ex Output:
positive