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: It’s exactly what I needed, easy to cut and put in my shoes. Such as running shoes, but it needs more space after put the deep heel insert. Overall, it's good.
Example Output: positive

Example Input: This book will manage you to put resources into your business for making your business more productive. It will guide you the right way to your business and gives your profitable methodology for your business. Fresher will get more viable plans to begin their speculation effectively. I very suggest this book.
Example Output: positive

Example Input: This product has changed since I started using it, it was oily, actually separated into an oily goo when I squeezed it out. Very disappointing. I threw it away and changed to Covergirl.
Example Output:
negative