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: A first rate beautifull compilation, with every selection a winner. One of my personal favorties. Great music and great soundinf too. Ella's "Spring Can Really Hang You Up The Most" was for me, a revelation. All artists best work.
Solution:
Positive