A guy playing with the ball on the field.
A guy is playing hockey.
Hockey is not played with a ball or a field.
exists x1 x2 x3 x4.(n_field(x4) & n_ball(x3) & a_topic(x1) & on(x1,x4) & with(x1,x3) & n_playing(x1) & of(x1,x2) & n_guy(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & n_guy(x1))