Two dogs run across the grassy field.
Two dogs are running after a ball outside.
Running across a field does not imply running after a ball.
exists e1 s1 x1 x2.(n_field(x2) & a_grassy(s1) & Theme(s1,x2) & across(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(after(e1,x2) & n_outside(x2) & of(x2,x3) & n_ball(x3) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))