A brown dog and a black dog are playing with a red Frisbee.
Two dogs playing outdoors.
a dog and a dog would be two dogs. If they are playing with a frisbee, it follows that they are outdoors.
exists e1 s1 s2 s3 x1 x2 x3 x4.(with(e1,x4) & n_frisbee(x4) & a_red(s3) & Theme(s3,x4) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & n_dog(x3) & a_black(s2) & Theme(s2,x3) & subset_of(x2,x1) & n_dog(x2) & a_brown(s1) & Theme(s1,x2))
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))