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

[EX Q]: This book it simply one of the best science fiction stories ever written. It should be on the "must read" list for any sci-fi fan.
[EX A]: Positive

[EX Q]: As well as a trilogy that is as far-reaching as it is set in a far-distant time with characters and galactic backdrop unrivaled by any other book. Definitely one of the great science-fiction classics just like "Stranger in a Strange Land", "Childhood's End", along with modern-day cyberpunk like "Neuromancer", "Count Zero", "Prey", "Cryptonomicon", "Snow Crash", "Darkeye: Cyber-Hunter", etc.
[EX A]: Positive

[EX Q]: All and all this is a very nice product. It really holds in those unwanted mid life bulges and it looks smooth under your clothing. It sort of helps your posture when sitting at a computer for very long hours. The inner cotton lining feels nice against the skin and it appears to move moisture,although not totally, away from your skin. Now mind you it is pure rubber, yes I said rubber, so make sure you wash it thoroughly, also it will take two days to air dry.I brought one with straps and bought the strapless one from Amazon......much cheaper than a boutique.Cher!
[EX A]:
Positive