Problem: In which Gilbert and Sullivan opera do fairies take over Parliament?
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A: iolanthe

Problem: "What is the ""First Law of Robotics"" devised by Isaac Asimov in his science fiction stories?"
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A: robot may not injure human being or through inaction allow human being to come to harm

Problem: In Greek myth who is the god of darkness?
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A: erebus

Problem: In which competitive activity did the WBF strip its 2013 Bali World Championship from two German doctors for coded coughing?
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A:
bridge