A group of girls in skirts outside holding hands.
all of the girls skirts match
Girls don't necessarily wear skirts that match.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & outside(x3,x4) & n_hand(x4) & Actor(e1,x4) & v_hold(e1) & n_skirt(x3) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists x2.(n_girl(x2) & all x1.(n_thing(x1) -> exists e1 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_match(e1) & (x2 = x4) & n_skirt(x3))))