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: Great book for people that need to write email. It would be nice to review the grammar rule's from time to time.
Example Output: Positive

Example Input: Got hot and smelled like burning ozone after plugging in. A dissapointing product, never got any real use out of it. Do not recommend.
Example Output:
Negative