Three kids in a playground talking about their dads and how great they are. The first one says, “My dad is the fastest man in the world, he can outrun a tiger.” The second says, “Mine can outrun a cheetah, he’s so quick.” The third is unimpressed and laughs, “Mine works for the council, so he’s the fastest.” “How?” the others ask. “He finishes work at 5.30 but he’s home by 2.