instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: ENGLISH USAGE 
Clue: Latin for "thus", this 3-letter word is put in brackets to indicate an error in a quote
answer:
sic


question:
Category: FAMOUS FOLKS 
Clue: During WWII this Geodesic Dome inventor headed mechanical engineering for the Board of Economic Warfare
answer:
buckminster fuller


question:
Category: THE USUAL GANG OF IDIOTS 
Clue: urbandictionary.com informs us that an "idiot box" is actually one of these electronic devices
answer:

a television