Young women in Halloween costumes are sitting around a fire.
Nobody has a costume.
The women cannot be wearing a Halloween costumes when nobody has a costume.
exists e1 s1 x1 x2 x3 x4.(around(e1,x4) & n_fire(x4) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_costume(x2) & (x2 = x3) & ne_geo_halloween(x3) & n_woman(x1) & a_young(s1) & Theme(s1,x1))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_costume(x2) & n_person(x1))