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 was taking this supplement to help me sleep. They were effective once I started taking two capsules just after supper. However, I did not sleep through the night. I am still trying different supplements

A: positive
****
Q: I bought these on August 22nd and installed them right away. It’s been a little over a month and around 5,000 miles and they are completely warped. Very disappointed with the overall quality of this product.

A: negative
****
Q: I'm using as an entry door bench. Very sturdy and great for storing winter or summer shoes. I'm getting ready to order another for the foot of my bed for xtra linen storage and lift for my puppy to climb on my bed.

A:
positive
****