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: When I go to the movies, I go to relax and enjoy a break from everday life. Who cares if it is realisitc or not. Being a romantic comedy buff, I found this movie entertaining and refreshing. Anyone who wants to enjoy a light movie will enjoy this film.
Solution:
Positive