A person stands atop a rock face.
A person is standing
Stands is same as standing.
exists e1 x1 x2 x3.(atop(e1,x2) & n_face(x2) & of(x2,x3) & n_rock(x3) & Actor(e1,x1) & v_stand(e1) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_person(x1))