A person is playing a drum.
A tall person playing
Playing a drum does not mean that one is tall.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_drum(x2) & n_person(x1))
exists s1 x1 x2.(a_topic(x1) & n_playing(x1) & of(x1,x2) & n_person(x2) & a_tall(s1) & Theme(s1,x1))