A woman with dark hair in a ponytail is reading sheet music while playing an instrument.
The woman is touching the instrument.
It is clearly obvious that when you play an instrument you touch it so "woman is touching the instrument" is in consequence.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(while(e1,e2) & Theme(e2,x6) & Actor(e2,x1) & v_play(e2) & n_instrument(x6) & Theme(e1,x4) & Actor(e1,x1) & v_read(e1) & n_music(x4) & of(x4,x5) & n_sheet(x5) & in(x1,x3) & n_ponytail(x3) & with(x1,x2) & n_hair(x2) & a_dark(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2.(n_instrument(x2) & n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_touch(e1))