Two dogs run through a field.
Animals running.
Dogs are animals
exists e1 x1 x2.(through(e1,x2) & n_field(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_animal(x1))