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.

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

Output: oxygen


Input: Consider Input: Category: NUN SENSE 
Clue: This 6th century Irish nun is also known as St. Bride, though she refused to marry

Output: st. bridget


Input: Consider Input: Category: BODY PARTS BY PREFIX 
Clue: Dermato-


Output: skin