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: For a long time i've been waiting for this dvd, it becames my way of life, i bought a CB750 and a F-100 V8. These kind of vehicles really amaze me.
Solution: Positive