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: If you love meaningless running around, plot lines thatdefy even sympathetic attempts to suspend disbelief, andsnarled bureacratic conflicts among different law enforcement agencies, you might put up with this one. Otherwise . . . the book disappoints. One gets the impression that it was written in haste. A pale imitation of the previous work . . .deserves to be piled high on the remainder tables (if not in a Potter's Field for books).
Solution:
Negative