Problem: Bourbon whiskey is named after a county in which US state?
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A: kentucky

Problem: Yperite, first used by the German army in September 1917, is better known as what type of gas?
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A: mustard gas

Problem: Which Italian city is served by Gallileo Galilei airport ?
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A: pisa

Problem: Where, apart from Australia, are monotremes found?
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A:
new guinea