A white man in a turban.
A man is wearing a sailor's hat.
A turban is a different type of head covering to a sailor's hat.
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_turban(x2) & n_man(x1) & a_white(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_hat(x3) & of(x3,x2) & n_sailor(x2) & n_man(x1))