instruction:
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.
question:
Category: GO WITH THE FLOW 
Clue: The Tigris flows into this gulf
answer:
the persian gulf


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


question:
Category: SPEAK OF THE DEVIL 
Clue: This poisonous weed named for Jamestown, Virginia, is also known as devil's trumpet
answer:

jimson weed