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 ordered this and realized I didn't specify the size so went back 20 min. later to cancel the order and then order another one.the shipping is 3/4 the priced of the item! Then after what I thought was a canceled order didn't even work at all. I have been sending emails all day and tried to call them to no avail. Horrible communication. they took my money and haven't even responded to my email or phone call.Caveat Emptor
Solution:
Negative