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 simplicity, answers should be in all lower cased letters.

Ex Input:
Category: THE NATIONAL TOY HALL OF FAME 
Clue: Initial sales for it were sluggish, but demonstrations of how it walked down stairs at Gimbels made it walk off shelves

Ex Output:
a slinky


Ex Input:
Category: WORLD HISTORY 
Clue: He completed vols. 2 & 3 of Karl Marx's "Das Kapital"

Ex Output:
friedrich engels


Ex Input:
Category: PASTRY 
Clue: The 2-word name of this pastry that can be filled with custard is also used to mean "a timid person"

Ex Output:

a cream puff