Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example is below.
Q: I've read this book with much expectation, it was very boring all through out the book
A: Negative
Rationale: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: When Reich wrote this book in the early 50's He was supposed to have gone mad. After a first read of the book, you will find He was unusually lucid, much more than Nietzsche himself in the account of a Life ruling principle.Do not be afraid of any comment. Just enjoy reading it!
A:
Positive