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: YOU NEED THERAPY 
Clue: In the hyperbaric type of this "therapy", the patient inhales the pure gas in a large chamber
[EX A]: oxygen

[EX Q]: Category: PALINDROMING 
Clue: Epic Norse narratives
[EX A]: sagas

[EX Q]: Category: "OVER" & "OUT" 
Clue: The remote part of Australia
[EX A]:
the outback