Two dogs playing outdoors
Dogs playing fetch with each other
Two dogs playing outdoors does not mean they are playing fetch or even with each other.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_outdoors(x3) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 e2 x1 x2.(all x3.(n_other(x3) -> with(e2,x3)) & Actor(e2,x1) & v_fetch(e2) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1))