Definition: Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Input: I imagine this is a very creative book written by Dean Koontz, and I loved his Odd books. This book is just too dark for me, too brutal, too mean. I wanted to keep going, but there is no point in forcing my psyche to undergo things that make me too uncomfortable. Although it isn't for me, if you don't mind pretty dark books, you might like it.
Output:
Negative