A crowd of people are listening to the band playing music.
A band is playing music while a crowd listens.
If a crowd is listening to a band playing, then the band is playing while the crowd listens.
exists e1 e2 x1 x2 x3 x4 x5.(n_band(x3) & to(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_play(e2) & n_music(x5) & (x3 = x4) & Actor(e1,x1) & v_listen(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_listen(e2) & n_crowd(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & n_band(x1))