The lady singing is wearing a blue dress.
The woman is using her vocal chords.
The lady is a woman and singing involves vocal chords.
exists e1 s1 x1 x2 x3.(n_singing(x1) & of(x1,x2) & n_lady(x2) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_dress(x3) & a_blue(s1) & Theme(s1,x3))
exists e1 s1 x1 x2.(n_chord(x2) & a_vocal(s1) & Theme(s1,x2) & of(x2,x1) & n_female(x1) & n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1))