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.
One man is a pottery teacher.
Not all men in around pottery are a teacher.
(x)
exists p1 x1.(exists x2 x3.((x1 = x2) & n_teacher(x2) & of(x2,x3) & n_pottery(x3)) & n_man(x1) & card_eq_1(x1))