A man is kneeling in front of a payment machine.
A man is in front of a machine.
If a man is kneeling in front of a payment machine a man is in front of a machine.
exists e1 x1 x2 x3 x4.(in(e1,x2) & of(x2,x3) & n_machine(x3) & of(x3,x4) & n_payment(x4) & n_front(x2) & Actor(e1,x1) & v_kneel(e1) & n_man(x1))
exists p1 x1.(exists x2 x3.(in(x1,x2) & of(x2,x3) & n_machine(x3) & n_front(x2)) & n_man(x1))