A group of young girls wearing blue tops and black skirts standing behind blue music stands.
A bunch of girls stand behind music stands.
Young girls are the same as girls and they are standing behind blue music stands, which is the same thing as standing behind a music stand.
exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(behind(e2,x5) & n_stand(x5) & of(x5,x6) & n_music(x6) & a_blue(s4) & Theme(s4,x5) & Actor(e2,x4) & v_stand(e2) & n_skirt(x4) & a_black(s3) & Theme(s3,x4) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_top(x3) & a_blue(s2) & Theme(s2,x3) & of(x1,x2) & n_girl(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(behind(e1,x3) & n_stand(x3) & of(x3,x4) & n_music(x4) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_girl(x2) & n_bunch(x1))