[He'll quietly give the young man all the seconds he needs. When he lists back the points, Tonbokiri nods to acknowledge each one as correct.]

That is an interesting idea, but I'm afraid not. I am 'yellow', although my hair is like this. [He pulls on a lock of his hair, which is clearly closer to red.]
I cannot say how it is decided. But whatever colour we are, that is the region in which our house is, and the colour our text becomes on the forum.

You've been told about the quests, so perhaps you know of the forum?

[Tonbokiri doesn't believe that the man is 'not that smart'- he's just smart in a different way. But he can certainly accommodate that he needs the information in smaller portions so he can understand it properly.]