"Are there police for police?"
"What does active driveway mean? I don't get it. Can you explain it again. Well, if THAT driveway is active, why don't they have "active driveway" written like the other one?"
"What does a horsefly look like? Is THAT a horsefly? What colors are they? Are there horseflies in NY? Are there horseflies in India? Where else do horseflies live? AHH!! IS THAT A HORSEFLY?? AAAAHHHHH!!!"
"Is there such a thing as tornado police? There isn't? So tornadoes just do whatever they want?"
and, perhaps my favorite so far:
"Mommy, I don't have a favorite thing in the whole world. So what's my favorite thing in the world?"