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:
I bought this in a size to fit my thumb and it fits well, stays put, looks good, and spinning the outside ring has become addictive. I like this ring a lot.

Ex Output:
positive


Ex Input:
I started off with these 3 and have slowly added all but 3 of what Fox Farm offers. They have a great product. All I would add is BE SURE TO PH your water like it says on the feeding chart. If you dont you could take a chance on burning or not getting a positive benefit of the product. Happy Growing !!

Ex Output:
positive


Ex Input:
I really like Pippa's writing. This sci-fi slash fantasy combination has me hooked. Cannot wait til the third book is released. Plot keeps you guessing about what challenge will come next, and how will the character grow with it. Please keep this series coming...quickly preferred. ;-)

Ex Output:

positive