a man stands with a guitar and music stand in an empty room.
The man is going to practice playing the guitar.
A man stands with a guitar does not mean he is going to practice playing the guitar.
exists e1 s1 x1 x2 x3 x4 x5 x6.(in(e1,x6) & n_room(x6) & a_empty(s1) & Theme(s1,x6) & with(e1,x2) & subset_of(x4,x2) & n_stand(x4) & of(x4,x5) & n_music(x5) & subset_of(x3,x2) & n_guitar(x3) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 p1 x1 x2.(n_guitar(x2) & n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 e3.(for(e2,e3) & Theme(e3,x2) & Actor(e3,x1) & v_play(e3) & Actor(e2,x1) & v_practice(e2)))