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 DID NOT GET THE SLACK THAT HAD THE WAISTBAND. I GOT SLACK WITH NO WAISTBAND, SO I SEND THEM BACK AN WAS TRYING TO GE A 42 29 BUT I RECEIVED A E MAIL STATETING THAT THE PRODUCT WAS NO LONGER AVABILITY. SO FAR I'AM NOT SURE WERE MY REFUND WENT. PLEASE LET ME KNOW.TOM ATKINSON
Solution:
Negative