(A customer in a big SUV pulls up to the pump. When she gets out, she realizes that her gas tank is on the driver’s side but her passenger’s side is facing the pump.)
Customer: “I bet that’s not gonna work, right?”
Me: “I don’t think so. You’d better try again.”
(She gets back in, drives around the same pump, and gets out. Her gas tank is still on the wrong side.)
Customer: *puzzled* “How come?”
Me: “Let me help you…”