Do you answer questions you can't answer?

For example, I'm an only child so if I see a question about a brother or sister doing something, I usually just answer it in the pov of if I DID have one, instead of the actual question. I don't know if the QA will then choose me as MHO but, I figure I would still put my two cents in anyway, and just figure if they don't choose me as MHO, it's a biased one
Do you answer questions you can't answer?
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