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.
--------
Question: It was very easy to put on the wall as it came with the screws and dry wall anchors, and works well for my ukulele. The materials do feel a bit cheap, but it holds up well.

Answer: positive

Question: Used it in birdbath to keep water from being stagnant- put it in my dog's swimming pool - it's fun to watch and turns off when water dries out. I recommend this!

Answer: positive

Question: I got a used product which did not come with the necessary pins for the wheels. Only needed it for one move and was very disappointed that I needed to move everything by hand because it did not come with these parts.

Answer:
negative