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:
"Spinout" (1966) represents the nadir of Elvis Cinema - a bad sitcom without the laugh track. The only redeeming features are a few memorable songs, such as "I'll Be Back" and "Stop, Look and Listen." Buy the soundtrack and skip the movie.
Answer:
Negative