A band with two women and one man is on stage playing music.
The women play the guitar.
Just because a band with two women and one man is on stage playing music does not necessary that she play the guitar.
exists p1 x1 x2 x3 x4.(exists e1 x5 x6.(on(x1,x5) & n_music(x5) & Actor(e1,x5) & v_play(e1) & of(x5,x6) & n_stage(x6)) & with(x1,x2) & subset_of(x4,x2) & n_man(x4) & card_eq_1(x4) & subset_of(x3,x2) & n_woman(x3) & card_eq_2(x3) & n_band(x1))
exists e1 x1 x2.(n_guitar(x2) & n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))