Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example is below.
Q: I've read this book with much expectation, it was very boring all through out the book
A: Negative
Rationale: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: We always have lots of grandchildren around and they are getting older so this bed comes in handy. Because it is raised up it is easier for me to put sheets on. So glad I tried it.
A:
Positive