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:
I rented this movie while my husband was out of town, looking forward to a good chick flick. By the middle of my movie, I couldn't believe I was still sitting there, and by the end, I wanted my $4.00 back from Blockbuster. The story did not keep my attention and the pregnant friend has got to be the worst actress ever. I do not recommend this at all!
Answer:
Negative