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: THE FICTIONAL LAND OF OZ 
Clue: This paving material of the road to the Emerald City is in need of repairs

Output: yellow brick


Input: Consider Input: Category: THE QUOTABLE EINSTEIN 
Clue: This "is more important than knowledge"

Output: imagination


Input: Consider Input: Category: HOW GREAT THOU ART 
Clue: This "mama's boy" answered the art critics in his 1890 book "The Gentle Art of Making Enemies"


Output: whistler