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.

Example Input: I have had Christmas/Holiday blend coffees before and this ain't it! It is only a extremely strong regular coffee! Very disappointed, being a "top name" brand. Don't waste your money!
Example Output: negative

Example Input: I ordered 10 of these. They never arrived. For the first time ever I received a message from Amazon saying "your package is lost". I just re-ordered. If they arrive I'll change my review...hopefully!!
Example Output: negative

Example Input: My daughter is a power lifter. So she gets a lot of pain in her shoulders and back. This heating pad gets all these area that hurt heat at same time. Really works good for the large area needed.
Example Output:
positive