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: This product ruined my new Kindle. I am left with big round circles in the middle of my screen even after removing the screen protector. I cannot remove them and my kindle screen is an ugly sight. Buyer beware. This is a horrible product.
A:
negative