Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example: I've read this book with much expectation, it was very boring all through out the book
Solution is here: Negative
Explanation: Review writer does not like the book because it was boring, therefore it is a negative review.

Now, solve this: I bought this for my 8 year old to sleep on in temporary housing during a corporate move. This bed didn't last two days and it came apart in the seam where we couldn't patch it. I would not waste my money on this product again.
Solution:
Negative