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've read quite a few of the Pratchett books, mostly at the insistence of my 13 year old son who loves these novels. This ranks right up there among my favorites, and is intriguing for the allusions to so many of the world's religions. The author is clearly well read, and catching these little references produced many aha! moments, I confess that I even lugged home a compendium on world religion to dig out the paralells and little obscure references - and there is alot more to this book than meets the eye. Well, but in the end, I find myself in complete sympathy with the conclusion, and thus a truly satisfying narrative from start to finish. I should add that this approach to reading this book drove my son absolutely crazy, and in fact taken only at face value, no references or allusions the book is still a great read.
Solution:
Positive