A dog running in a park.
A man runs with his dog in a park.
Just because a dog is running in a park does not mean a man runs with him.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_park(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_park(x3) & with(e1,x2) & n_dog(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_run(e1) & n_man(x1))