Three blond girls wearing black shirts and pants play brass instruments behind a music stand.
The girls are playing music.
Three blond girls wearing black shirts are types of girls, and instruments implies playing music.
exists e1 e2 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) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2))