Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Example: I've read this book with much expectation, it was very boring all through out the book
Example solution: Negative
Example explanation: Review writer does not like the book because it was boring, therefore it is a negative review.

Problem: Excellent and well-written book. Recommended reading for young adults and older. We must all remember what atrocities were committed in Europe and other countries. It is a testament to the human spirit and the capacity to survive terrible circumstances. This book will become a permanent part of our family's library.
Solution: Positive