A dog runs toward the camera with a stick in its mouth.
A dog runs back to its owner with a stick.
The person with the camera is not necessarily the dog's owner.
exists e1 x1 x2 x3 x4.(n_mouth(x4) & of(x4,x2) & n_thing(x2) & n_camera(x2) & in(e1,x4) & toward(e1,x2) & with(x2,x3) & n_stick(x3) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 s1 x1 x2 x3.(to(e1,x2) & with(x2,x3) & n_stick(x3) & n_owner(x2) & of(x2,x1) & n_thing(x1) & a_back(s1) & Manner(e1,s1) & Actor(e1,x1) & v_run(e1) & n_dog(x1))