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: Looks nice but Very weak construction, started to breakdown by itself without falling or anything, tried to exchange it but Amazon closed the return window 2 days ago..

Answer: negative

Question: These are pricey but when I eat one it feels more like I'm eating food than a protein bar. Been using a soy version until I found that my weight gain is from soy... it produces estrogen and causes fat to accumulate on the torso. No thanks.

Answer:
positive