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: O FOR A 
Clue: Completely humble yourself for small stones & pebbles
answer:
grovel for gravel


question:
Category: DEMOCRATIC PRESIDENTIAL CONTENDERS 2004 
Clue: The son of a truck driver, this vegan is also a former mayor of Cleveland
answer:
dennis kucinich


question:
Category: REMEMBRANCE OF THINGS "CAST" 
Clue: Hey, baby, you a Gemini?  These twin brothers of Helen of Troy are, literally
answer:

castor & pollux