makes perfect sense

Today:
Julia: Ba-ba.
Me: You wanted berries?
Julia: Da. (yes)
Me: Not now. It's time to brush teeth.
Julia: (Nodding.) Ba-ba!
Me: You ready to brush?
Julia: (Nodding.) Ba-ba!
Me: Can you say brush?
Julia: Ba!
Me: Can you say tooth?
Julia: Ba!
Me: Look at you, you big talker!