A group of people in costume gather outdoors on Halloween.
People are going trick-or-treating.
People dress up on Halloween for more than trick-or-treating.
exists e1 x1 x2 x3 x4 x5.(ne_geo_halloween(x5) & on(e1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_gather(e1) & n_outdoors(x4) & of(x1,x2) & in(x2,x3) & n_costume(x3) & n_people(x2) & n_group(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_trick-or-treating(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & n_people(x1))