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I guess it would depend on whether your would ever know who the person was that died
SPOILER ALERT! (select the slightly hidden text below)
That's the point of the film, and the twist. The person who dies is the husband (or was in the novel/original film, I have a feeling the wife pushes the button in this version). How come? Well, it's argued that the wife never truly knew her husband, and thus, as the rules dictated, someone you don't know will die.