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

[Q]: A thrilling story of get rich quick without scruples. It introduces the reader to excellent characterizations of the individuals involved. There is excitement through unusual circumstances including an extremely imaginative ending.
[A]: Positive

[Q]: Needed place for kids to sleep while visiting grandma and now they argue over who gets to sleep on the air mattress. Both think it's more comfy than their bed at home.Would have given 5 stars, but the bag it comes with to put it in is worthless, no chance of ever getting it in there again.
[A]: Positive

[Q]: In How to Beat the Democrats and Other Subversive Ideas, Horowitz uses ruthless intellect to demolish the foundations upon which the new Left has tried to rebuild itself following the collapse of communism across the world.After reading this book you have to ask how Bill Clinton and Tony Blair can sleep at night.Used as a campaign blueprint, How to Beat the Democrats offers conservatives the tools to take on the Left in electoral combat which have been sadly lacking over the last decade.
[A]:
Positive