Detailed Instructions: Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
See one example below:
Problem: I've read this book with much expectation, it was very boring all through out the book
Solution: Negative
Explanation: Review writer does not like the book because it was boring, therefore it is a negative review.

Problem: Ms Too has tackled a subject that is immensely difficult to learn. However, I thought her approach and explaination was excellent. Readers, please be patient and reread each section more than once.Again, advance Feng Shui puts alot of people in despair due to the topic but once you master the knowledge, the wisdom and flow will pour forth clearly.
Solution:
Positive