Instructions: 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.
Input: This book has been written very well. Ketogenic Diet Handbook is the book for you as we have included a combination of in-depth knowledge & proven methods & recipes that will get you to lose weight & burn those fats fast! These recipes are delicious yet highly effective & have proven to work for others as well. I enjoy it !
Output:
positive