a lone dog running in a dirty road
A dog running down a road
Sentence one doesn't provide a direction of the dog so it cannot be determined if he is running down or around
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_road(x3) & of(x3,x4) & n_dirty(x4) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_lone(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_run(e1) & n_road(x3) & (x1 = x2) & n_dog(x1))