Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Let me give you an example: I've read this book with much expectation, it was very boring all through out the book
The answer to this example can be: Negative
Here is why: Review writer does not like the book because it was boring, therefore it is a negative review.

OK. solve this:
Have you ever heard the song 'Milk It'? It was written for this exact reason. Or 'Rape Me'? "Its so relieving to know that your leaving as soon as you get paid" Francis farmer? You know when you buy this, some record exec is making a buck on a dead persons name. But hey we all know that suicide sells.
Answer:
Negative