A dog in a field.
The dog is playing in the field.
There is no information to indicate that the dog is playing - it could just be sitting in the field.
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_field(x2) & n_dog(x1))
exists e1 x1 x2.(n_field(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))