Definition: Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Input: I was troubled over what to get my son for Christmas this year but when I came across this jigsaw I knew my search had come to an end. This jigsaw will help him cope with the stresses of being a modern day 4 year old surrounded by electronic stimuli 24-7. You can't go wrong with Melissa & Doug!
Output:
Positive