Given the task definition and input, reply with output. 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.

This is a life saving book for gastric stage one and two patients. This book is the ideal book for somebody who is thinking about the gastric sleeve technique. Well ordered it sets you up for the method and the way of life change that quickly takes after the methodology. The recipes in the cookbook part of the book look very great and truly simple to boot.
positive