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.

I purchased this personally for use at the office, as an inexpensive, (hopefully) better alternative to the equipment provided by the company. It has far exceeded my expectations. It's a joy to type on.Colleagues saw heard it, asked to try it, and then purchased their own.
positive