A curly clack dog is running down a natural path.
A dog is running down a path.
Running down a natural path and running down a path mean the same thing.
exists e1 s1 s2 s3 x1 x2 x3.(a_down(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x1) & v_run(e1) & n_path(x3) & a_natural(s2) & Theme(s2,x3) & n_dog(x1) & of(x1,x2) & n_clack(x2) & a_curly(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_path(x2) & n_dog(x1))