A group of people in costume gather outdoors on Halloween.
People sit inside a house.
The people cannot be gathering outdoors and sitting inside a house simultaneously.
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 x1 x2.(inside(e1,x2) & n_house(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))