Detailed Instructions: 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: So I have very bad knees have to get injections almost monthly. And have to wear brace on left one every day. I really like this adjustable knee brace it fits well and helps to keep my knee from swelling so bad.
A:
positive