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: If you already have the DeWalt batteries his is a great addition. This fan is so convenient to use that I end up using it all the time. It moves an impressive amount of air while at the same time is quiet. A 6Ah battery runs for over 10 hours on high.

Answer: positive


Question: This was not delivered to me and it was not left in my mailbox, its a table .Don't tell me it was delivered and it was not because of a timeline. I would like a refund.

Answer: negative


Question: I’ve used this product two times. The first it was really nice to sleep on and no air leaked, the second it deflated before we even laid on it to sleep. It’s too late to return it now or else I would. I do not recommend this product.

Answer:
negative