A man being pulled on a cart by a cow.
A cart moves a cart carrying a person.
If a man is being pulled on a cart then the cart is carrying a person.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Actor(e1,x4) & n_cow(x4) & on(e1,x3) & n_cart(x3) & Theme(e1,x2) & v_pull(e1) & (x1 = x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_move(e2) & Theme(e1,x4) & Actor(e1,x3) & v_carry(e1) & n_person(x4) & (x2 = x3) & n_cart(x2) & n_cart(x1))