A black dog running.
There is a running black dog.
black dog running. is the same as  running black dog.
exists e1 s1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1 e1 s1 x2.((x1 = x2) & n_dog(x2) & a_black(s1) & Theme(s1,x2) & Actor(e1,x2) & v_run(e1))