Little Johnny is walking with his father in the park and they see two dogs locked in a sexual embrace. Little Johnny not understanding what the dogs are doing asks his father, Daddy, what are those two dogs doing? To which the father replies, They are making a puppy!

Later that night Johnny wakes up and walks down the hall to his parents bedroom and catches his mother and father making love. Johnny asks his father, Daddy what are you and mommy doing?

To which the father replies, Johnny we are making you a little sister.

Johnny thinks for a few moments and responds, Well, daddy could you roll her over? Id rather have a puppy!