Given the task definition, example input & output, solve the new input case.
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
Output: Negative
Review writer does not like the book because it was boring, therefore it is a negative review.

New input case for you: I first heard Sue Bender on NPR talking about her Amish experience...I was enthralled with it. Later I found the book and read it start to finish in one sitting. As I read it I kept thinking I wanted to buy a copy for all my friends.
Output:
Positive