People are sitting on benches on a sidewalk surrounded by trees with a view of city buildings.
The people are sitting in a plane.
One can not be in a plane and surrounded by trees simultaneously.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7 x8.(on(e1,x2) & on(x2,x3) & Actor(e2,x5) & with(x5,x6) & of(x6,x7) & n_building(x7) & of(x7,x8) & n_city(x8) & n_view(x6) & n_tree(x5) & Theme(e2,x4) & v_surround(e2) & (x3 = x4) & n_sidewalk(x3) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists e1 x1 x2.(n_people(x1) & in(e1,x2) & n_plane(x2) & Actor(e1,x1) & v_sit(e1))