Flute player performs for commuters in an underground walkway.
The musicians are playing classical music.
Classical is not the only music that flute players can play.
exists e1 s1 x1 x2 x3 x4.(for(e1,x3) & in(x3,x4) & n_walkway(x4) & a_underground(s1) & Theme(s1,x4) & n_commuter(x3) & Actor(e1,x1) & v_perform(e1) & n_player(x1) & (x1 = x2) & ne_nam_flute(x2))
exists e1 s1 x1 x2.(n_musician(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & a_classical(s1) & Theme(s1,x2))