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.
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Question: Category: LITERATURE 
Clue: In "The Call of the Wild", Judge Miller's gardener kidnaps this dog & sells him for $50

Answer: buck


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

Answer: roy lichtenstein


Question: Category: DOUBLE TALK 
Clue: German spa town in the Black Forest region

Answer:
baden-baden