A dog in the snow.
The dog is running.
Just because a dog is in the snow does not mean that they are running.
exists x1 x2.(n_snow(x2) & a_topic(x1) & in(x1,x2) & n_dog(x1))
exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_run(e1))