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.

Q: I have a smallish black dog that disappears into shadows and night an this collar is perfect to help keep an eye on him. He is so small I was able to get two equal lengths out of the collar portion and I love that it is rechargeable.

A: positive
****
Q: First time I plugged it in and ran water in it to clean it, then I came back four hours later I noticed a electrical burning smell. This coffee pot does not shut off by itself. Don't need another fire from a coffee pot.

A: negative
****
Q: Never received item I ordered / instead sent a different one. When I wrote to company they had said so sorry but it had to do with warehouse, so I guess they couldn’t care less.. been told to contact elsewhere So not happy

A:
negative
****