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

Example Input: The Decepticons play the Autobots like a used violin and demostrate Cybertron's AI still has a long way to go. While LaBeouf and Turturro act as if this movie is their character's last episode --- and they really over-act in this movie which is lacks the charm of the original TV cartoon.
Example Output: Negative

Example Input: first the acting was so so so bad the movie, this is what i have to say ?but they get E for effort.
Example Output: Negative

Example Input: Needed place for kids to sleep while visiting grandma and now they argue over who gets to sleep on the air mattress. Both think it's more comfy than their bed at home.Would have given 5 stars, but the bag it comes with to put it in is worthless, no chance of ever getting it in there again.
Example Output:
Positive