A group of people in front of a house.
The group people are standing on the beach side.
A group of people are either standing in front of a house or the beach, not both.
exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & in(x2,x3) & of(x3,x4) & n_house(x4) & n_front(x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(n_side(x3) & of(x3,x4) & n_beach(x4) & n_people(x1) & of(x1,x2) & n_group(x2) & on(e1,x3) & Actor(e1,x1) & v_stand(e1))