People wearing costumes wait in a room.
Everyone wore the same Boba Fett costume.
Not all costumes are Boba Fett costumes.
exists e1 e2 x1 x2 x3 x4.(in(e2,x4) & n_room(x4) & Actor(e2,x1) & v_wait(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_costume(x3) & (x1 = x2) & n_people(x1))
exists s1 x2 x3 x4.(n_costume(x2) & (x2 = x4) & ne_geo_fett(x4) & (x2 = x3) & ne_geo_boba(x3) & a_same(s1) & Theme(s1,x2) & all x1.(n_person(x1) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1))))