Toddler: Daddy? Will you sing me a song?

Dad: Of course honey! Which song would you like to hear??

Toddler: Doe a deer, a female deer!

Dad: Do you always have to pick that song??

Toddler: Isn't  it the only one you like?

Dad: No. Why would you think that?

Toddler: Well dosen't DAD stand for "Do a deer"?

Dad: *________*