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: GO WITH THE FLOW 
Clue: The Tigris flows into this gulf

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

A: owl
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Q: Category: KEEP ON TRUCKIN' 
Clue: Also called splash guards, these on a truck help prevent splashing on following cars

A:
mud flaps
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