A woman is sitting on a stool and playing a guitar with a smile on her face.
A man is playing the violin.
Either a woman is playing the instrument, or a man is playing the instrument, can't be both at once.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(with(e2,x7) & on(x7,x9) & n_face(x9) & of(x9,x8) & n_female(x8) & n_smile(x7) & Theme(e2,x6) & Actor(e2,x5) & v_play(e2) & n_guitar(x6) & n_woman(x5) & with(e1,x3) & on(x3,x4) & n_face(x4) & of(x4,x1) & n_female(x1) & n_smile(x3) & on(e1,x2) & n_stool(x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))
exists e1 x1 x2.(n_violin(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))