Problem: Which daughter of the last Tsar of Russia was said to have escaped to America?
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A: anastasia

Problem: What computer game was invented by Toru Iwatani, first released in Japan in May 1980?
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A: pac man

Problem: What is the SI unit of thermodynamic temperature?
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A: kelvin

Problem: In which stretch of water was HMS Amethyst fired on and detained in 1949?
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A:
yangtze river