Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example is below.
Q: I've read this book with much expectation, it was very boring all through out the book
A: Negative
Rationale: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: You get what you pay for. This pillow is stiff and smelled like drying paint for 4 days. I thought I was getting a non name brand version of the Temperpedic pillow. I bought the real pillow for my mother years ago and paid many times the price. This thing doesn't even come close.
A:
Negative