Given the task definition and input, reply with output. 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.

Will not be buying these again. When I walk in them my heels really hurt. I contacted the seller to return my purchase, hopefully I can get my money back. Would not recommend, save your money for a nicer pair of shoes that are comfortable.
negative