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

Example Input: I just plugged it in and it's on the job. Perhaps it would be more assuring if it had a digital read-out of level of monooxide in the air.
Example Output: Positive

Example Input: "Les Triplettes de Belleville" n'a pas reu le Jutra de la meilleure bande sonore, puisqu'il n'était pas en nomination. "Gaz Bar Blues" l'a remporté.
Example Output: Positive

Example Input: ... but that didn't prevent me from intensely disliking it. The characters are flat, the story is contrived, and why are all people of power in this world men? Very realistic idea of the future.
Example Output:
Negative