Post B5aSldlCmsiqjlZzO4 by tusooa@kazv.moe
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 (DIR) Post #B5aSldlCmsiqjlZzO4 by tusooa@kazv.moe
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       According to some people:is_human(age) = {True, if age < 0; False if 0 <= age < 18; True otherwise}