Two dogs are running in a grassy field.
Pets are outside.
Dogs is a kind of pets.
exists e1 s1 x1 x2.(in(e1,x2) & n_field(x2) & a_grassy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_pet(x1))