Given the task definition and input, reply with output. 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.

As I have problems with my hands, I bought this frother because it has the on/off switch. However, in order for the frother to run at full speed, you need to hold it very, very tight which is a problem for me. If I don't hold it very, very tight it goes very slow.
negative