Image:  Two bathroom doors.  The one on the left has a stick figure of a human and below it, the words “People who don’t pee on seats or floors, don’t steal plumbing fixtures or toilet paper rolls, throw paper towels in trash cans, flush, and only write witty and  entertaining graffiti.”  The one on the right has a stick figure of a pig’s face and below it, the words “People who pee on seats and floors, steal plumbing fixtures and toilet paper rolls, throw paper towels on floor,  don’t flush, and write disgusting or boring graffiti.”