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: The movie has 8.5 calification, the special effect are very good, in this new time of best movies, this movie its the first movie about the First World War; the DVD has 8.7 calification, god presentation, the postal pictures from the movies are good, the extras from the movie are good.My final calification is 8.7, is a very good movie, the scense and the flow of the story is good.Please buy this title
Solution:
Positive