A white dog runs along a path, trailing a leash.
The dog was in a cage at the pound since he lost his owner.
A dog in a cage can't run along a path at the same time.
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_trail(e2) & n_leash(x3) & along(e1,x2) & n_path(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists p1 p2 x1 x2 x4.(n_owner(x4) & of(x4,x2) & n_male(x2) & n_male(x2) & n_pound(x2) & n_dog(x1) & exists e1.(Theme(e1,x4) & Actor(e1,x2) & v_lose(e1)) & since(p1,p2) & at(p1,x2) & exists x3.(in(x1,x3) & n_cage(x3)))