A dog in a field.
The dog is sleeping at home.
the dog can't  stay in the field and at home simultaneously
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_field(x2) & n_dog(x1))
exists e1 x1 x2.(n_dog(x1) & at(e1,x2) & n_home(x2) & Actor(e1,x1) & v_sleep(e1))