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: The title says it all. Preset sizes of the EarGels just don't fit my ears. The tube that directs sound does not go in my ear canal far enough and the hook that is supposed to hold the unit in your ear will not hold it in mine. None of the 3 sizes of gels made a difference.Try before you buy if possible.
Output:
Negative