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

Example Input: This is being written mostly in protest of the re-print. The stories in these series were always a little dull. But the art, the art was fantastic, and now they've taken it away. I dont have my old copies any more and now the old books are going for outrageous sums. I wanted to get these books for my kids someday--not any more.
Example Output: Negative

Example Input: Although this is a wonderful working power adapter, I don't believe it is the Macally Adapter that was advertised. I am however happy with it and would shop with this vendor again.Thank you.
Example Output: Positive

Example Input: I bought this for my four year old he in between beds and wanted something temp since we are planning to move to another state and didn't want to by a bed we would have to move so decided to by this. within a week had a first hole patch everything fine two week later another leak think it coming from where the motor is..we had a queen size on from same brand it that happen to that one as well. The one without the built in motor never had an issue with which is what we are using now. I also don't like the top it not comfortable with the humps.
Example Output:
Negative