Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Example Input: This is the definitive watershed work that brought Buddhism to the West and explains it in a manner that's very easy for Westerners to understand. It is a wonderful book that uses a question and answer structure like the Catholic Catechism to enlighten the reader on the Buddhist faith. It covers every aspect of Buddhism and there's much to learn from it whether you are a beginner or a master or from the East or the West. I strongly recommend this book. I got so much out of it. This book answers a lot of very important questions, including ones that I have had for some time. It's been a real blessing to me.
Example Output: Positive

Example Input: I really enjoyed this book!I couldn't put it down after the first page which compares Marshall, "An average North American Male" ... "plump and balding", to his caged pet bird - "Both had lived three fourths of their expected life span and had another fourth of life to go, if they were lucky".This sets the tone for the novel which is a thought provoking story written with wit and intelligence.I should note, however, this is not and it is a book about the character Marshall Hollenzer. It is really a book about people - the choices they make and/or the fate bestowed upon them - and journeys - both physical and spiritual.This novel is thought provoking, entertaining, and enlightening.I recommend buying at least two copies - this is the type of book that you will want to share with people you know.
Example Output: Positive

Example Input: The product did what it was "supposed to" which was to give me a waist, but it kind of just redistributed my fat. My waist was super tiny, but above and below (mostly below) I bulged like crazy, so I ended up just looking really oddly proportioned. My husband thought that I looked a little like an arthropod, so definitely not the sexy curvy lady that I wanted to be... I guess this product worked for other ladies, but for me, it just looked really unnatural and odd.
Example Output:
Negative