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.

Example Input: Category: ALL I WANT FOR CHRISTMAS IS... 
Clue: ...the E100 electric one of these from Razor
Example Output: a scooter

Example Input: Category: "N" JOY 
Clue: A songbird, or the last name of nursing pioneer Florence
Example Output: nightingale

Example Input: Category: DOLPHINS 
Clue: The largest members of the dolphin family are the creatures with this homicidal name
Example Output:
killer whales