Definition: Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Input: Sentence: For generations , elderly Chinese citizens could count on having a place in multi - generational households , where their children could treat them in infirmity .<sep>Span: in infirmity
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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