A black dog is running along the beach.
a puppy is on a beach
The black dog doesn't need to be a puppy.
exists e1 s1 x1 x2.(n_beach(x2) & along(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_beach(x2)) & n_puppy(x1))