a man stands with a guitar and music stand in an empty room.
The man can play music.
A man in a room with a guitar and music stand does not prove the man can play music.
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.(n_man(x1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & n_music(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1))