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

Let me give you an example: I've read this book with much expectation, it was very boring all through out the book
The answer to this example can be: Negative
Here is why: Review writer does not like the book because it was boring, therefore it is a negative review.

OK. solve this:
I am 116 lbs. but after 4 kids (a set of twins) the tummy was not the same. squeem gives me a beautiful shape under my clothes...never look better. the only downfall it does not cut inches off or make you loose any body fat..after its off all the bulge comes out. It makes you look great thou...don't leave home without it.
Answer:
Positive