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: I used this for taping while we were opening gifts for christmas. The remote features are great. This product makes video recording easy and fun.
Example Output: Positive

Example Input: Haven't had an opportunity to use them yet, but after examining them they appear to be a quality product , I'm sure they will be just fine and work as expected.
Example Output:
Positive