What was World War I?
What lasted from 1914 to 1918?
When did World War I start?
World War I was a global conflict that lasted from 1914 to 1918.
66% lidí (<25) nezná odpověď na předchozí otázky*
Příklad: "Peter has a car"
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Michael Heilman and Noah A. Smith, Good question! Statistical ranking for question generation, 2010
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