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.

Example Input: Love the feel of the sheet set but very disappointed in the cooling effect that your website describe. It is not at all cooling when sleeping. In fact tit gets really warm and still waking up sweating. This purchase was completely unsatisfied. I washed it so I have to keep it. I am very disappointed in this product.
Example Output: negative

Example 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.
Example Output: positive

Example Input: I got these for my husband and they are sharp and it's nice that they come with a carrying case. I wish these Clippers had the gunk under nail remover tool however
Example Output:
positive