Instructions: 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.
Input: I was tired of paying $7 PER knife for sharpening. I got the LINKYO Electric Knife Sharpening and within the hour ALL the knives in my kitchen where sharp and ready to get to work. I'll never have to deal with a dull knife again!
Output:
positive