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.

Category: ALL GOD'S CRITTERS 
Clue: The barn species of this bird is sometimes called monkey-faced due to its simian features
owl

Category: ECONOMICS 
Clue: After deducting all expenses from your gross profit, you're left with this
net

Category: BARBARA WALTERS' 20 YEARS 
Clue: Most will never forget when Barbara asked this actress "What kind of a tree are you?"; she said "Oak"

katharine hepburn