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

Example Input: There are people who will start reading this book then about 100 pages into it realize that it's going nowhere fast. Take my advice and keep reading. It gets much better, and more interesting. The ending is really good, and might have even upped this review a star.ac
Example Output: Positive

Example Input: I ordered Alter Ego for men but got Alter Ego for woman. I followed the procedure given on the the web to complain and ask how to do the return, but did not get any answer.
Example Output: Negative

Example Input: This is a perfect story of everything working out in the end. Im getting married and so decided to watch all the wedding movies I could find this didn't disappoint at all. It was great to watch a non-american film gives you an eye into other cultures.
Example Output:
Positive