Problem: Which English cathedral was the world's tallest building between 1311 and 1549?
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A: lincoln

Problem: On Oct 4, 1927, Idahoan Gutzon Borglum began carving on what South Dakota mountain that the Lakota Sioux called Six Grandfathers?
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A: mount rushmore

Problem: "What breed of dog was the subject of the 1992 film ""Beethoven""?"
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A: st bernard

Problem: Which word can go before Plant, Guest and Boat to make three other words?
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A:
house