Problem: For which king was the Palace at Versailles built?
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A: louis xiv

Problem: Which London Street is known for it's diamond trade?
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A: hatton garden

Problem: What plastic drawing toy, produced by Hasbro, Inc, puts pen to paper to produce complex curves known mathematically as hypotrochoids and epitrochoids?
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A: spirograph

Problem: What nationality was scientist 'Marie Curie'?
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A:
polish