Instructions: Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
Input: I am very disappointed in this book. When I looked at it on Amazon there were pictures. Why was it not mentioned that there were no pictures in this particular book?Shame on you for misrepresenting this book. Now I have to return it and get one with Edward Lear's imaginative art work as well.
Output:
Negative