You will be given a definition of a task first, then some input of the task.
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.

Do not buy. Should have trusted the other reviewers- this straightener stopped working after less than 3 months of normal use. No way to receive refund or return.
Output:
negative