Two dogs playing outdoors
Two puppies chase a frisbee outside.
Dogs aren't necessarily puppies and playing does not always include frisbee.
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 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_outside(x2) & of(x2,x3) & n_frisbee(x3) & n_puppy(x1) & card_eq_2(x1))