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: I was really disappointed in these olives. The are very mushy and I prefer a more firm texture. Cat Cora's olives are much, much better.
Example Output: Negative

Example Input: Love these kcups. Box said "80" but contained only 35. Please send me the missing 45 kcups Newmans Own Special.
Example Output: Negative

Example Input: These quickly became dog treats!  Just nasty!  I don't even know how they can sell these for human comsumption!  Stay away!
Example Output:
Negative