The teacher asks, “How old is your mother?”
Little Mary says, “Forty.”
The teacher says, “Yes, your mother could get pregnant.”
The little girl asks, “can my big sister get pregnant?”
The teacher asks, “How old is your sister?”
Little Mary answers, “Nineteen.”
The teacher says, “Oh my yes, your sister certainly could get pregnant”.
The little girl asks, “Can I get pregnant?”
The teacher asks, “How old are you?”
Mary says “I’m seven years old.” The teacher says, “No, you can’t get pregnant.” Little Johnny, who is sitting behind little Mary, gives her a poke and says, “See, I told you we had nothing to worry about”