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 13 year old son is very pleased with this product.The only problem I had with AMAZON is they marketed it on the screen with a protective skin and power cord to buy "as a bundle". Unfortunately, the skin that was shown on the screen did not fit. Not good, AMAZON!
Solution: Positive