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]: This LED lights did not stick to my walls. I set them up in my room (efficiently, I made sure they shouldnt fall off) and left for a couple hours. When I came back they had completely fallen off. I messaged them to see if I could get my money back or if another one could be sent to me because I thought maybe the one I received was defective and they never even responded and its been 2 weeks.
[A]: negative

[Q]: I thought the impeller was broken so I purchased a new one and unfortunately learned that it is the filter itself that is no longer able to pump water. I bought this a month ago. My turtles are not happy.
[A]: negative

[Q]: loved the sharpener, nice handle made it easy to hang on too, was great for my husbands hunting knives.this is a great knife sharpener. ceramic knife sharpener quickly puts a sharp edge on knives I use for cutting vegetables.kitchen knife sharpener is an excellent value for the money.
[A]:
positive