One man stands along a wall holding out his hand to show another man wearing all blue and glasses working a pottery wheel , while some drying pottery pots dry on a table nearby .
It is almost certain that a man teaches another man how to use the pottery wheel .
It is almost certain that a man teaches another man how to use the pottery wheel .
Chances are about even that a man teaches another man how to use the pottery wheel .
A man teaches another man how to use the pottery wheel .