TASK DEFINITION: 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.
PROBLEM: Category: MY CHARLEMAGNE MAN 
Clue: For 46 years Charlemagne was the king of these people who gave their name to a country

SOLUTION: the franks

PROBLEM: Category: PICTURES AT AN EXHIBITION 
Clue: His 1960s works include "I Know How You Must Feel, Brad!" & "As I Opened Fire..."

SOLUTION: roy lichtenstein

PROBLEM: Category: FAMOUS HOMES 
Clue: Scout's Rest Ranch in North Platte, Nebraska was the home of this great western showman

SOLUTION:
buffalo bill cody