THAT ONE PLAYER ON THE LEFT IS INFORMED ABOUT HOW MUCH ON EACH TRIAL THERE IS THEY PLAY LOTS OF TRIALS WITH DIFFERENT AMOUNTS EACH TIME IN THIS CASE THEY KNOW THERE'S FOUR DOLLARS THE UNINFORMED PLAYER DOESN'T KNOW BUT THEY KNOW THAT THE INFORMED PLAYER KNOWS SO THE UNINFORMED PLAYER'S CHALLENGE IS TO SAY IS THIS GUY REALLY