A man is steaming milk at an espresso machine.
There is a man.
man is steaming milk shows that There is a man.
exists e1 x1 x2 x3 x4.(at(e1,x3) & n_machine(x3) & of(x3,x4) & n_espresso(x4) & Theme(e1,x2) & Actor(e1,x1) & v_steam(e1) & n_milk(x2) & n_man(x1))
exists p1 x1 x2.((x1 = x2) & n_man(x2))