A fire station burns down.A traffic jam on the way to a protest against traffic congestion.A health teacher who is overweight and smokes.A dentist with bad teeth.A lifeguard who doesn't know how to swim.A pacifist who becomes a soldier.A restaurant with a sign that says "Sorry, we're open."A bookstore that doesn't sell any books on reading.A locksmith who accidentally locks himself out of his own house.A marriage counselor who is divorced.