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 really liked this book, I have always been interested in early man, and I think this book sheds new light on the way it could of been back then. I found this book facinating, and I think that it was a wonderful experence.Although she didn't have any facts she still did a good job of filling in those empty spaces.
Output:
Positive