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: These card holders are durable and large as well as ruggedly built. The design allows the card holder to be held or sat on a table during play.They cost more than smaller designs but for my money they are well worth it.
Solution:
Positive