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: My little brother just got this for his birthday. It's cool, but will probably be broken in a few days. The pieces that stick to the wall fall off alot. No action figures come with it either. And the bottom half is made of cardboard too--not cool.
Solution: Negative