A group of people standing on the lawn in front of a building.
The people are sitting in the street.
They can either be standing or sitting. If one is on the lawn, they are not in the street.
exists e1 x1 x2 x3 x4 x5 x6.(n_lawn(x4) & a_topic(x1) & of(x1,x2) & in(e1,x5) & of(x5,x6) & n_building(x6) & n_front(x5) & on(e1,x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_street(x2) & n_people(x1) & in(e1,x2) & Actor(e1,x1) & v_sit(e1))