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: 3-LETTER WORDS 
Clue: Short job for a musician

Output: gig


Input: Consider Input: Category: THE NEXT BIBLE BOOK AFTER... 
Clue: Genesis


Output: exodus