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.

[EX Q]: Category: WHAT'S THE BIG IDEA? 
Clue: The 21st century doctrine named for this man allows the U.S. to wage preventive war if an attack on us is coming
[EX A]: george w. bush

[EX Q]: Category: AUDIO BOOKS 
Clue: Stephen Covey made time to read his own bestseller "The 7 Habits of" these people
[EX A]: highly effective people

[EX Q]: Category: CHEERS 
Clue: This cocktail named for a motorcycle attachment is triple sec, brandy & lemon juice
[EX A]:
a sidecar