A group of people are sitting on the porch of a brick building.
Some friends share beers in front of their house.
Groups of people are not necessary friends. Just because they are sitting on the porch of a brick building doesn't mean they share beers, nor does it mean it is their house.
exists e1 x1 x2 x3 x4 x5.(n_porch(x3) & on(e1,x3) & of(x3,x4) & n_building(x4) & of(x4,x5) & n_brick(x5) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_house(x4) & of(x4,x1) & n_thing(x1) & n_front(x3) & Theme(e1,x2) & Actor(e1,x1) & v_share(e1) & n_beer(x2) & n_friend(x1))