A person runs with a dog.
Someone and their dog.
A person is someone.
exists e1 x1 x2.(with(e1,x2) & n_dog(x2) & Actor(e1,x1) & v_run(e1) & n_person(x1))
exists s1 x1 x2.(a_topic(s1) & subset_of(x2,s1) & n_dog(x2) & of(x2,x1) & n_thing(x1) & subset_of(x1,s1) & n_person(x1))