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 Input:
Category: BEIN' GREEN 
Clue: A mini matador may take it on:

Ex Output:
bullfrog


Ex Input:
Category: LARGE EQUIPMENT 
Clue: For smooth travel, ballast tampers & ballast regulators keep the gravel at the right level among these

Ex Output:
railroad tracks


Ex Input:
Category: "-ICIAN" EXPEDITION 
Clue: Vocation of Charles Dodgson & of Bertrand Russell

Ex Output:

mathematician