Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Example Input: The book gives a thorough discussion on the PRACTICAL implementation of the Transactional Ananlysis "I am OK, You are OK" theory.It is therefore a must read if you are into Transaction Analysis or you just want to imporve your leadership skill.Please remember to come back to give this review a vote after you have purchased the book and have read it form cover to cover.P.
Example Output: Positive

Example Input: Not what I expected, the first Transformers was the best. The special effects was great but acting was not, too bad.
Example Output: Negative

Example Input: This book is realy great for everybody who likes to travel Europe. The combination of good pictures, illustration and texts is perfect. You get a good overall view for the most important sights, places, cities and countries in Europe and also a bit of historical information. As a European who already traveled a bit I still could find a lot of inspiration to more interesting places to go. Thank a lot to Eyewitness Travel for there great books!
Example Output:
Positive