A dog lies on the ground.
A dog is on the ground.
A dog that lies on the ground is on the ground.
exists e1 x1 x2.(n_ground(x2) & on(e1,x2) & Actor(e1,x1) & v_lie(e1) & n_dog(x1))
exists p1 x1 x2.(n_ground(x2) & on(x1,x2) & n_dog(x1))