A dog with its mouth open is running.
A dog has is mouth open while running.
with its mouth open almost the same as has is mouth open
exists e1 x1 x2 x3.(Actor(e1,x1) & v_run(e1) & with(x1,x2) & n_open(x2) & of(x2,x3) & n_mouth(x3) & of(x2,x1) & n_thing(x1) & n_dog(x1))
exists e1 e2 s1 x1 x2.(while(s1,e2) & Actor(e2,x1) & v_run(e2) & r_mouth(s1) & Theme(s1,x1) & a_open(s1) & Actor(e1,x2) & v_have(e1) & (x1 = x2) & n_dog(x1))