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: It is so hard for the drop to fall in the eyes with this tool. It cannot be returned once it is used. Don't know why the product cannot be returned if it is not serving the purpose. Will not recommend this at all to anyone.
A:
negative