Two dogs run through the grass.
Two dogs are playing in the pool.
These are simply two different sentences, so none of the information from sentence two can be inferred.
exists e1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_pool(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))