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

Problem: A great DVD by Usher; I love his music. The perfromances are great and the songs make you want watch the DVD over and over again. I recommend that you buy this one.
Solution:
Positive