A person walking with a dog.
A man gets exercise in the park
The person is not necessarily a man. The person is not necessarily walking the dog in the park.
exists x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_dog(x3) & Time(x1,x2) & n_walking(x2) & n_person(x1))
exists e1 x1 x2 x3.(n_park(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_exercise(x2) & n_man(x1))