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.
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Question: This is easy to use and comfortable. The heat doesn't last that long and the scented smell is so terrible that I can't even keep the eye mask on that long.

Answer: negative

Question: I went back to the allergy medicine I was taking before. This did not help at all. I took it for a week, then gave it to my husband. He was unimpressed, said the generics we usually take work best for him, too. Very disappointing.

Answer: negative

Question: These have really helped my ball of foot pain. It provides the right amount of cushion. I work 13 hour shift and am on my feet a lot. I needed some that was easy to use and that would take my pain away. These gel pads did just that.

Answer:
positive