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.

This is te 2nd UFO drone I've purchased. This model is better than the one I purchased previously from another seller. It holds up better and flies longer. I'd purchase again
Output:
positive