Given the task definition, example input & output, solve the new input case.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Example: I've read this book with much expectation, it was very boring all through out the book
Output: Negative
Review writer does not like the book because it was boring, therefore it is a negative review.

New input case for you: These ear gels were supposed to fit easily on the Jabra Bluetooth that I have, but they don't stay on at all once they were placed on it. I was hoping the contoured shape would hold in my ears, but it just proved to be very uncomfortable.
Output:
Negative