Conversation of the Evening

Andy was in bathroom, Grace was outside. Conversation goes as follows:
Grace: "Daddy, what doing?"
Andy: "Pooping."
Grace: "Ah, daddy pooping! Daddy, knock knock"
Andy: "Who's there?"
Grace: "Owls."
Andy: "Owls who?"
Grace: "Xactly! Daddy, what doing?"
Andy: "Wiping my bum"
Grace: "Ah! Daddy wiping da bum!"
Andy: "What are you doing?"
Grace: "Mmm, sleeping."
Andy: "Okay."
Grace: "Daddy, what doing?"
Andy: "Putting on clothes."
Grace: "Hooray!"