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:
This is a beautiful book and terrific fun for a woodworker to read for enjoyment, but it's short on specific solutions. Attempting to be all things to all woodworkers, it is of little value to anyone--except to spark the imagination. The best part of the book are the beautiful photos that peek inside the workshops of great artisans around the country. But if you seek step-by-step advice, look elsewhere.
Answer:
Negative