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

Now, solve this: This book was breath taking. Trisha did an outstanding job in writing this story. I enjoyed reading this book. Although I read this book 3 months ago, I still can remember how everything took place in the end. I recommend this book to all my friends, loved ones, and family members. It is definitely something to keep on the shelf.
Solution:
Positive