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

Ex Input:
There's so much to say about what's dumb about this movie, but it has one thing going for it: pretty colors flickering fast. A great movie when you want to give your brain a rest. Best viewed on mute.

Ex Output:
Negative

Ex Input:
Product was defective from day on and lasted a whole 32 days and now will inflate but by the middle of the night you sleeping on the carpet.

Ex Output:
Negative

Ex Input:
I am really enjoying this DVD. It answers everything you need to know and makes me feel like I know what to expect when the big day comes! I have watched this video over and over by chapters and take notes simply because it's hard to take in so much information at once. What made me happier was to see the couples in Sheri's group get together for a reunion after they had delivered. I would have liked to hear the couples experiences in delivery, though. I appreciate a light and easy going environment and attitude as she teaches this video.

Ex Output:
Positive