Mummy takes little Johnny to the zoo. As they pass the elephant cage, the elephant has an erection. "What's that, Mummy?" asks the child. "Nothing, Johnny, nothing," says the embarrassed mother, swiftly leading him on. A week later Johnny's dad takes him and the same happens. "What's that, Daddy?" the child asks. "That, son, is the elephant's penis." replied his father. "Mummy said it was nothing," the child then said. "Your mother's spoilt, Son."