A man playing a guitar while a couple is listening and watching another man dancing to the music.
The man playing the guitar is standing by himself in a dark room.
The man with the guitar is near a couple and another man dancing, so he isn't standing by himself.
exists e1 p1 x1 x2 x3 x8.(n_music(x8) & a_topic(x1) & exists e4 e3 e2 x4 x5 x6 x7.(Theme(e4,x6) & Actor(e4,x5) & v_watch(e4) & to(e3,x8) & Actor(e3,x7) & v_dance(e3) & (x6 = x7) & n_man(x6) & -(x6 = x1) & n_couple(x5) & Actor(e2,x4) & v_listen(e2) & n_couple(x4)) & n_man(x1) & n_man(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & (x1 = x2))
exists e1 e2 s1 x1 x2 x3 x4.(n_male(x3) & n_guitar(x3) & n_man(x1) & in(e2,x4) & n_room(x4) & a_dark(s1) & Theme(s1,x4) & by(e2,x3) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2))