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

Ex Input:
my scanner hasn't worked since the day i took it out of the box, installed the software, and the green light is on but when i hit scan it does nothing! looks like it's a dud. lol.

Ex Output:
Negative

Ex Input:
I found this book to be an honest look at the world of hockey goaltending from mites to the pros. My son, who is a youth hockey goalie, enjoyed reading Robb's history and hockey philosophy. A good book for all hockey goalie parents, especially those who are new to the goalie world.

Ex Output:
Positive

Ex Input:
It may have some, but not much. Tubthumping gets boring after listening to it about 5 times. Amnesia is the best, but that song is OK.

Ex Output:
Negative