Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example: I've read this book with much expectation, it was very boring all through out the book
Solution is here: Negative
Explanation: Review writer does not like the book because it was boring, therefore it is a negative review.

Now, solve this: I really liked this book...it is one of my favorite nightworld books. I think that it was sad that Thea had to leave her family and live with Eric and his mom but I don't think they had much choice.. anyway it's great! And I enjoyed reading it as much as I enjoyed reading the rest of the Nightworld series..by the way I think that L J Smith is the best!!! Anyway gotta go!!
Solution:
Positive