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: It's just fantastic, an adventure full of emotions and wonderful landscapes. These series have given to humanity a great gift. Thanks a lot Ms. Auel. I hope you will continue the Ayla's story. I've been waiting for years to continue the story, I'm sure you have too much to write. When the next book will be coming out?. Every time I go to a bookstore I look for the next one.
A:
Positive