Ralph: What's a battle? Principal Skinner: Hahahaha, lets go. Superintendent Chalmers: Did that boy say what's a battle? Principal Skinner: No he said What's that rattle, it's about the heating duct. Superintendent Chalmers: Hmm, it sounded like battle. Principal Skinner: I've had a cold, so-- Superintendent Chalmers: Oh so you hear r's as b's?