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: This is long overdue. Most people get only so far along in the Modern Primitive scene without "going native". Here is a book that gives excellent and easily followed guidelines for anyone who wants more from their experiences as a Modern Primitve. Combining Piercings, Humor and Good Spirituality, this is a great buy.
A:
Positive