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:
This film was by far, the most mediocre, melodramatic, hackneyed, and banal piece of work that Bay has ever put on screen.If you have the mentality of a ten-year-old, then yes, you'll find this film entertaining, but for all adults out there, you should best skip this thing.
Answer:
Negative