Geek Gene

Sofi: (Looking at clock.) Where's the O come from?
Dada: Um...Zanzibar.
Sofi: (No idea what association led to this.) I want to play Dungeons & Dragons with you.
Dada: Maybe when you're older.
Sofi: I'm two years old.
Dada: Maybe when you're ten years old.
Sofi: Okay.