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 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: Arrived promptly. I received it today and began taking immediately. It contains so many vitamins, such as A, C, D3, E, B6, Folic acid and of course biotin, etc. I believe in this product and hope it will deliver promising results.

Answer: positive

Question: It's great! We bought underwear to go with it and it's done it's job for my 6 year old. He uses it when he's sparring at Taekwondo. Those kicks can be hard!!

Answer:
positive