Problem: In which country is Mozart's opera 'The Magic Flute' set?
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A: egypt

Problem: Which is Britain's bestselling brand of bread?
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A: warburtons

Problem: Geococcyx, a ground cuckoo of southern US and Mexico, is the basis of which popular cartoon, its common name?
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A: roadrunner

Problem: What is the term for two stars that orbit around each other?
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A:
binary star