You will be given a definition of a task first, then some input of the task.
Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

If you want to impress your friends with your new DVD player then (...) don't show them this film. It's a straight forward copy from a video tape that will have you reaching for the tracking button (if only) and the sound is not in sync with the picture. The acting is wooden and the plot is dire. If you are fool enough to buy this, don't come crying to me when you realise I'm right!
Output:
Negative