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 am not paid for a review. I bought this kit for my two boys (10 and 6). The product was packaged very nice and came on time. Installation was a breeze. My boys love the colors (red, white and blue). I could not be happier with this product and would recommend for anyone of all ages. One of my Best Buy's on amazon.
Example Output: positive

Example Input: I really like Pippa's writing. This sci-fi slash fantasy combination has me hooked. Cannot wait til the third book is released. Plot keeps you guessing about what challenge will come next, and how will the character grow with it. Please keep this series coming...quickly preferred. ;-)
Example Output: positive

Example Input: Glad I bought these. The angle of the plug really helps prevent the bending of wires at the device and ruining the wires. I wish I found this 20 cords ago!
Example Output:
positive