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

Ex Input:
eargels replaced old and lost ones that came with my blue tooth. they fit well and got ere quicker than expected.

Ex Output:
Positive

Ex Input:
This book has solved the problems we had while trying to manage my son's diabetes.You can find all answers in diabetes management.

Ex Output:
Positive

Ex Input:
I was not pleased with this product, the bunny ears does not reach my "pretty bump".....I haven't used it ever since...I bought another for $25 and it got to the work done way better than this...

Ex Output:
Negative