You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

I've read this book with much expectation, it was very boring all through out the book
Solution: Negative
Why? Review writer does not like the book because it was boring, therefore it is a negative review.

New input: I received these and they were defective. Months later, the company has continued to dodge me and still has not processed my refund. Their shipping costs are 6 times what it cost me to return them for no refund. Amazon, where are you to remove CMMA Accessories ? Don't let their 3 or 4 star overall rating fool you !
Solution:
Negative