Generate a question with a factual answer.
Generated: Which 1907 piece did Picasso present in the show that introduced Cubism to the USA?

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Generated: In what season does New Delhi's air pollution worsen?

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Generated: In diffuse-porous woods, if the demarcation between rings is obvious, what type of difference within the ring might not be?

Generate a question with a factual answer.
Generated: How many attendants accompanied the flame during it's travels?