Problem: Which German City is home to the headquarters of the Volkswagen car manufacturer?
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A: wolfsburg

Problem: Which state of the USA is known as the Hoosier state?
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A: indiana

Problem: The ball-shaped roots of a more popular salad vegetable, Bergers White Ball, Ibis, Kojak, and Snow White are what?
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A: celeriac

Problem: Which opera is set aboard HMS Indomitable?
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A:
billy budd