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.

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

Output: bronze


Input: Consider Input: Category: BIRD BOOKS 
Clue: Some took flight with this 1970 allegory by Richard Bach; others felt it was bird-brained

Output: jonathan livingston seagull


Input: Consider Input: Category: ON WORDS 
Clue: Now meaning to destroy or wipe out a great number, it;s from the Latin word for "ten"


Output: decimate