One person stands still and acts like a lamp post, shining a flashlight on the ground. Another is groping around in the pool of light. (Person one)
A third person enters, and sees Person one, and asks: "What are you looking for ?"
Person one: "A penny that I lost".
He joins Person one, and helps him search. A fourth and fifth enter and repeat the above scene.
Finally one of them asks Person one: "Where did you loose the penny ?"
Person one: (Pointing away) "Over there:.
Boy: "Then why are you looking here ?"
Person one: "Because the light is better over here !"