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 chose this twin air mattres becaue of the reviews and brand, good quality. I bought it about 2 months ago for a weekend of Holiness, it just had a hole when i aired it up. Threw it in the trash terrible product.
A:
Negative