A man is sitting with his music stand in front of him.
A man is going to play a song.
A man with a music stand in front of him is not necessarily going to play a song.
exists e1 x1 x2 x3 x4.(with(e1,x2) & in(x2,x4) & of(x4,x1) & n_male(x1) & n_male(x1) & n_front(x4) & n_stand(x2) & of(x2,x3) & n_music(x3) & of(x2,x1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & n_song(x2)) & n_man(x1))