Problem: Where in the human body do you find the alveoli?
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A: lung

Problem: Not including the cellar, how many rooms are there in the board game 'Cluedo'?
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A: nine

Problem: Which European country has land borders with Austria, Hungary, Romania, Ukraine, Poland and the Czech Republic?
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A: slovakia

Problem: Established on September 25, 1890, Sequoia National Park is in what state?
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A:
california