Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Example input: I've read this book with much expectation, it was very boring all through out the book
Example output: Negative
Example explanation: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: I have a question for the continuity people.....I liked the rest of the movie, but was upset to see one thing.....why is "Eagle's" ascent stage still on the moon when the autobots go to visit the wreckage? I mean, come on, guys....any 60's space buff would have noticed that error....
A:
Positive