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: BOTTLED WATER 
Clue: This sparkling French mineral water that comes in a green bottle is named for a doctor from Nimes
[EX A]: perrier

[EX Q]: Category: AKA 
Clue: Helen Louise Leonard got this stage name from Tony Pastor and her diamonds, we assume, from Jim Brady
[EX A]: lillian russell

[EX Q]: Category: A CATEGORY FOR THE BIRDS 
Clue: These large birds can be found in mixed herds with Guanacos in South America
[EX A]:
rheas