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: The book was new and in perfect condition. The price was well below that of many competitors. It was sent in a timely manner. I would gladly buy from this company again.
Solution: Positive