Ethel loves to charge around the nursing home in her wheelchair. Due to her eccentric nature, other residents tolerate her behavior and even play along.
As Ethel speeds down one corridor, a door opens and a man steps out with his arm outstretched. "STOP!" he says in a firm voice. "Have you got a license for that thing?" Ethel fishes around in her handbag and pulls out a candy wrapper. "OK," he says and she goes on her way.
As she rounds the next corner, another man steps in front of her and shouts, "STOP! Do you have a valid taxi medallion for your vehicle, madam?" Ethel digs into her handbag again and pulls out a beer coaster. "Looks good," he says and sends her on her way.
Going down the final corridor, a third man steps in front of her. He is stark naked and holds an erection in his hand. "Oh no," says Ethel, "Not the breathalyzer again!"