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.

[Q]: Category: SIGNS & SYMBOLS 
Clue: It's the 2-word phrase symbolized here
[A]: handicapped access


[Q]: Category: FAMOUS FOLKS 
Clue: During WWII this Geodesic Dome inventor headed mechanical engineering for the Board of Economic Warfare
[A]: buckminster fuller


[Q]: Category: AMERICAN DRAMATISTS 
Clue: About ex-wife Marilyn Monroe, this playwright said, "I took her as a serious actress before I ever met her"
[A]:
arthur miller