A woman in black playing an instrument on the subway platform.
A musician is playing music for spare change at the subway.
Just because she is playing an instrument does not mean she is playing for spare change.
exists e1 x1 x2 x3 x4 x5 x6.(n_platform(x5) & of(x5,x6) & n_subway(x6) & a_topic(x1) & on(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_instrument(x4) & (x1 = x3) & in(x1,x2) & n_black(x2) & n_woman(x1))
exists e1 s1 x1 x2 x3 x4.(n_subway(x4) & at(e1,x4) & for(e1,x3) & n_change(x3) & a_spare(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & n_musician(x1))