Given the task definition, example input & output, solve the new input case.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Example: I've read this book with much expectation, it was very boring all through out the book
Output: Negative
Review writer does not like the book because it was boring, therefore it is a negative review.

New input case for you: I really liked this book,especially the fact [SLIGHT SPIOLER] That you get to see different people's perspectives at different periods of time. [END OF SPIOLER] I would reccomend this to anyone who likes books by Isaac Asimov or a story that takes place over a long time. ****
Output:
Positive