A group of girls are changing in the dressing rom.
Some girls are trying on new clothes.
Just because the girls are changing doesn't mean they are trying on new clothes.
exists e1 x1 x2 x3 x4.(n_rom(x3) & of(x3,x4) & n_dressing(x4) & in(e1,x3) & Actor(e1,x1) & v_change(e1) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_clothes(x3) & a_new(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_try(e1) & n_thing(x2) & n_girl(x1))