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: PHRASES OF DEATH 
Clue: Completing 2 tasks with one action is "killing 2" of these "with one stone"
[A]: birds


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


[Q]: Category: NOW THAT'S INVENTIVE! 
Clue: Famous for his jet, he also invented the automobile radio for the company that became Motorola
[A]:
lear