A guitarist sits playing before microphones, while a man and a boy dance and a woman stands by.
A guitar player sits not playing with a guitar by some people who wait to hear music.
Playing can't happen while not playing, and people who wait to hear music don't dance.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(a_by(s1) & Manner(e1,s1) & while(e1,x4) & subset_of(x6,x4) & subset_of(x9,x6) & n_stand(x9) & of(x9,x10) & n_woman(x10) & subset_of(x7,x6) & n_dance(x7) & of(x7,x8) & n_boy(x8) & subset_of(x5,x4) & n_man(x5) & before(e1,x3) & n_microphone(x3) & Theme(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_playing(x2) & n_guitarist(x1))
exists x1 x2.(-exists e1 p1.(exists e3 e2 p2 x3 x4 x5.(with(e2,x3) & by(x3,x4) & Topic(e3,p2) & Actor(e3,x5) & v_wait(e3) & exists e4 x6.(Theme(e4,x6) & Actor(e4,x5) & v_hear(e4) & n_music(x6)) & (x4 = x5) & n_people(x4) & n_guitar(x3) & Actor(e2,x1) & v_play(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1)) & n_player(x1) & of(x1,x2) & n_guitar(x2))