Four people are chosen for the round and three of the four are
taken out of the room. The one that remains is told to mime
something such as the statue of liberty or barney the dinosaur.
Before they start, a second person is brought into the room and
told to watch. When the first demonstration is done, the first
person is allowed to sit down and the third person is brought
into the room. The second (who has just seen the demonstration)
is told that they have to act out what they have just seen for
the third person. After it's done, the fourth person enters and
the scene is acted out again by the third person.