A little girl went to her Mother and said; Mommy, where did I come from?
Mom gave a deep sigh and thought to herself, "Well, I guess it's time for "THE TALK" and proceeded to explain in great detail all about the Birds and the Bees.
When finished, the very bewildered and wide-eyed girl said, I was just playing with the new girl that moved in next door, and she came from Philadelphia.