"Mommy, you a boy...and I a girl!"
"I'm a boy and you're a girl?"
"Uh-huh!"
"Nope, silly, it's the other way around! You're a boy and Mommy is a girl. Only girls can grow up to be mommies.... And since I think it's a little too early for gender theory, we'll leave it at that for now."
"I had a picnic!"
"Yeah, let's go have our picnic."