a boy playing with balloons.
A boy has some balloons.
playing with  implies   has some
exists x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_balloon(x3) & n_playing(x1) & of(x1,x2) & n_boy(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_balloon(x2) & n_boy(x1))