Little Pete came home from the playground with a bloody1 nose, black eye, and torn clothing.
It was obvious he'd been in a bad fight and lost. His father asked his son what happened. "Well, Dad," said Pete, "I challenged Larry to a duel2. And, you know, I gave him his choice of weapons."
"Uh-huh," said the father, "that seems fair."
"I know, but I never thought he'd choose his sister!"