[ his request for evidence is valid. it means he isn't willing to take things just at word. ]

Do you see my ears? [ she pushes back some of her hair on one side and points to them. ] They aren't fake. I'm not a 'human' like you, or most everyone else here. My kind are Hylian. I've never met another human before coming here.

...On top of that, I don't know what a bus or a train is. Or 'Detroit', though my assumption is that it's the name of your home.