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: While working on an on-going university research project I have spent five years driving the back roads of India. This book has saved my sanity as well as my tires and axles. It is by far and away the most helpful road atlas available.
Solution:
Positive