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 received this in the mail today. I fully charged it and was so excited to use it. It turned on for less then a second and then turned off and won't turn back on. Such a disappointment and a waste of my time. I'm returning it today.
Output:
negative