I mean sure... but that's because there's an actual person photographed there. What happens when you get into "does (s)he look 17 or 18 in this photo?" and no w

I mean sure... but that's because there's an actual person photographed there. What happens when you get into "does (s)he look 17 or 18 in this photo?" and no way to prove anything, since the person does not exist?