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.

[EX Q]: Category: WORLD FLAGS 
Clue: In 1996, to represent unity, Ethiopia put this 5-pointed star with mystical overtones on its flag
[EX A]: a pentacle

[EX Q]: Category: KINGS NAMED GUSTAV 
Clue: Current king Carl XVI Gustaf met his wife at this event in Munich in 1972; she was an interpreter
[EX A]: summer olympics

[EX Q]: Category: TREES COMPANY 
Clue: The yellow or silver type of this tree has peeling, papery bark when it's young
[EX A]:
birch