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

[Q]: A classic story based on history. One of Hypatia's crimes appears to have been ready to provide a hypothesis of a heliocentric universe, long before Copernicus and with a much worse response from the Christian community.
[A]: Positive


[Q]: just for the record: last day off my vacation in mexico and i dived into the Carraibean with my digital camera into my pocket :) (don't ask why) and althogh the camera is now mearly scrap (pentax optio s) the memory card works fine and i didn't lost any of my vacation photos with would have been a lot worse - so SD cards are water proof and salt water proof :)
[A]: Positive


[Q]: Clean your house instead. Glad it was free! Would have regretted spending money on it. Tried to resume watching three times - couldn't' do it.
[A]:
Negative