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

Example Input: OUR TEACHER MRS GREEN MADE US READ IT AND WE HAD TO DO A BOOK REPORT ABOUT IT!IT SUCKS!!!!!!!!
Example Output: Negative

Example Input: This bed is great. I use it everyday for my little.So far its still inflated and very comfortable.Recommend it for anyone who has a guess or personal use.I especially like the pump, how its connected to the bed andcan store-it inside the bed.
Example Output: Positive

Example Input: I got this book cuz I enjoyed the Philisopical strangler book. I found this book entirely too wordy. I enjoyed certain parts of the book. I burst out in laughter in a couple of places but it was too little. I could see what the authors were trying to do but it was not enuf.. I liked the strangler book.
Example Output:
Negative