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: PREHISTORIC TIMES 
Clue: The Stone Age lasted until this metal replaced stone as the primary tool-making material

Ex Output:
bronze


Ex Input:
Category: NAMES YOU SHOULD KNOW 
Clue: Sharing her first name with Robin Hood's sweetie, this African-Amer. contralto earned the 1963 Pres. Medal of Freedom

Ex Output:
marian anderson


Ex Input:
Category: COUNTRY NAME ETYMOLOGY 
Clue: This African country is named from the Portuguese for "lion mountains"

Ex Output:

sierra leone