You will be given a definition of a task first, then some input of the task.
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.

Read the reviews before buying. But its pretty cool the way they have it rolled up. I think I enjoyed watching it unroll more then anything. Ha! But my kids sleep good. I recommend these mattresses.
Output:
positive