Two white dogs are running on the grass.
Two dogs are outside at a dog park.
Just because the dogs are outside doesn't mean they are in a dog park.
exists e1 s1 x1 x2.(n_grass(x2) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_white(s1) & Theme(s1,x1) & card_eq_2(x1))
exists s1 x1 x2 x3.(at(s1,x2) & n_park(x2) & of(x2,x3) & n_dog(x3) & Theme(s1,x1) & a_outside(s1) & n_dog(x1) & card_eq_2(x1))