Problem: Which word, common in the South of England, describes a steep-sided river valley where the water flows through coastal cliffs to the sea?
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A: chine

Problem: Temujin (1162-1227), who made his capital in Karakorum was better known as who?
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A: genghis khan

Problem: What was the name of the pig leader in George Orwell's Animal Farm?
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A: napoleon

Problem: "An expression that means to leave things as they are when there is no immediate problem is ""let sleeping dogs ..."" what?"
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A:
lie