Who's the smartest?

This morning Michael (3) hid himself in our bed. Michelle was playing with him to get him out.

Michelle: "I can get you out. I'm the smartest." [Uncovers Michael]
Michael: "Who's hair is the driest?"
Michelle: "Yours is. Mommy just took a shower."
Michael: "Who's still in bed?"
Michelle: "You are."
Michael: "Yeah, who's the smartest?"

Damn. Outwitted again.