A group of girls in skirts outside holding hands.
the girls are each holding big stacks of books in their hands
Girls who are holding big stacks of books cannot be holding hands.
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 e1 s1 s2 x1 x2 x3 x4.(n_hand(x4) & of(x4,x1) & n_thing(x1) & n_girl(x1) & a_each(s2) & Manner(e1,s2) & in(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & of(x2,x3) & n_book(x3) & n_stack(x2) & a_big(s1) & Theme(s1,x2))