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.

I just bought this item, 30-May-09, at my local supermarket for $4.29 per unit. How can it list for over $14.00 and be discounted on your site for over $7.00?
Output:
Negative