Problem: Given the question: Formulate an answer to this elaborate question: What occupation did Eugene Dynkin and Anatoly Maltsev both have in common?
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The answer is:
mathematician

Problem: Given the question: Formulate an answer to this elaborate question: Are two rock bands, Green on Red and The Zolas, both American bands?
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The answer is:
no

Problem: Given the question: Formulate an answer to this elaborate question: In the novels about Harry Potter and his friends Hermione Granger and Ron Weasley, which movie has the first appearance of the main protagonist?
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The answer is:
"Harry Potter and the Philosopher's Stone"