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

Bubba loved the bone, but was a little dissapointed in the size of the bone. They must have killed some baby pigs to get femurs this small! Bone was about 4 inches long, and not very thick.
Output:
Negative