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

A: oxygen
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Q: Category: TIME TO "D"ECIDE 
Clue: It's a joke that doesn't get a laugh, or an explosive that fails to detonate

A: dud
****
Q: Category: I FEEL SHEEPISH 
Clue: This style of facial hair seen here is sadly, out of style

A:
mutton chops
****