a group of children are standing outside a building.
The children are outdoors.
There is a group of children outdoors, standing outside of the building.
exists e1 x1 x2 x3.(outside(e1,x3) & n_building(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists p1 x1.(n_child(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))