Three blond girls wearing black shirts and pants play brass instruments behind a music stand.
The three girls are giving a performance.
Just because three girls are playing brass instruments doesn't mean they are giving a performance.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(behind(e2,x8) & n_stand(x8) & of(x8,x9) & n_music(x9) & Theme(e2,x6) & Actor(e2,x1) & v_play(e2) & n_instrument(x6) & of(x6,x7) & n_brass(x7) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_pants(x5) & subset_of(x4,x3) & n_shirt(x4) & a_black(s2) & Theme(s2,x4) & (x1 = x2) & n_girl(x1) & a_blond(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2.(n_girl(x1) & card_eq_3(x1) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_performance(x2))