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: A more laid back series of tales from the life of Jack Kerouac. Very relaxing, unlike "On the Road". Makes you want to go climb a mountain.
Solution:
Positive