A boy pushing another boy up a pole.
Two boys play on a pole.
a boy and another boy equals two boys
exists e1 x1 x2 x3 x4.(a_topic(x1) & up(e1,x4) & n_pole(x4) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_boy(x3) & -(x3 = x1) & n_boy(x1) & n_boy(x1) & (x1 = x2))
exists e1 x1 x2.(on(e1,x2) & n_pole(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & card_eq_2(x1))