Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Example input: I've read this book with much expectation, it was very boring all through out the book
Example output: Negative
Example explanation: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: I use this to listen to ear buds at work but the computers are hidden under the desk so this allows me to have access to the jack. i can move around my cubicle with ease with these.
A:
Positive