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 bought this in a size to fit my thumb and it fits well, stays put, looks good, and spinning the outside ring has become addictive. I like this ring a lot.

A: positive
****
Q: These pants are awesome. They protect your legs very well for welding. If you use your knees for low level welding, brick work, tiling, carpets or roofing, your knees will wear out before these pants do.

A: positive
****
Q: This product is impossible to set up and operate due to the lack of instructions and will not power on in order for it to work. It's a total waste of money!

A:
negative
****