A child stands on the porch.
A child is standing outside a house.
porch is outside a house
exists e1 x1 x2.(n_porch(x2) & on(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_child(x1))
exists e1 x1 x2.(outside(e1,x2) & n_house(x2) & Actor(e1,x1) & v_stand(e1) & n_child(x1))