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 consistency, answers should be in all lower cased letters.

[Q]: Category: PROVERBS BY INITIALS 
Clue: "A watched P.N.B."
[A]: pot never boils


[Q]: Category: FAMILIAR PHRASES 
Clue: Pool table piece you don't want to be "behind"
[A]: the 8 ball


[Q]: Category: BARBARA WALTERS' 20 YEARS 
Clue: In 1992 he made Barbara's fantasy come true by dancing the tango with her -- Hoo-aah!
[A]:
al pacino