A boy being pulled on a shovel.
boy pulled on shovel
in a both sentence being and shovel is different
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_shovel(x3) & Theme(e1,x2) & v_pull(e1) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2.(on(e1,x2) & n_shovel(x2) & Actor(e1,x1) & v_pull(e1) & n_boy(x1))