You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

I've read this book with much expectation, it was very boring all through out the book
Solution: Negative
Why? Review writer does not like the book because it was boring, therefore it is a negative review.

New input: I enjoyed every minute of this captivating, lively, and fun extreme sport documentary. I promise that you will be so engaged whether you plan to watch it alone or with a bunch of friends. To be honest, I am not a real sport-fan, but "Keep Your Eyes Open" entertained me immensely. Awesome film!
Solution:
Positive