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

Example Input: It's pretty nice and comes with a little book with interesting proverbs too. I'm not sure if it really helps to relieve stress but it's makes a fun distraction once in a while. The only complaint is when other people play around with it, they always spill sand out the box..
Example Output: Positive

Example Input: My husband and I didn't have time to attend an 8 hour birthing class at the hospital, so we opted for this video. It was very informative and helped us understand what was happening when we went to the hospital. It was a little cheesy, but definitely worth getting.
Example Output: Positive

Example Input: This game has absolutely gorgeous graphics and sound, but it is incredibly hard to play. The controls are demented, the camera viewpoints imbecilic. If they had spent a small amount more on making this game playable, it would have been a smash hit. As it stands, this game is not worth the sticker price. I am a long time Tomb Raider fan and I will probably still play this game, but it is just not much fun at all.
Example Output:
Negative