Problem: Given the question: Here's a complex question that requires someone to reason about the input, can you answer it? Who was the Chairman of the Red Cross Aid to Russia Fund married to?
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The answer is:
Sir Winston Churchill


Problem: Given the question: Here's a complex question that requires someone to reason about the input, can you answer it? In which state of America will you find the Berlin Historic District which encompasses the ghost town of Berlin established as part of the Union Mining District and Berlin–Ichthyosaur State Park, a recreation area and historic preserve that protects ichthyosaur fossils and the ghost town?
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The answer is:
Nevada


Problem: Given the question: Here's a complex question that requires someone to reason about the input, can you answer it? Which king, who reassumed the throne upon his son's death, had in his service the Flemish-born military engineer George Prosper Verboom?
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The answer is:
Philip V of Spain