A dog runs through the grass.
car speeding on street
A dog isn't a car.
exists e1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_street(x3) & n_speeding(x1) & of(x1,x2) & n_car(x2))