A child playing with fire.
A kid is playing tennis.
Fire is different than tennis.
exists e1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_fire(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tennis(x2) & n_kid(x1))