Two dogs, one white and one black, play with each other in the sand.
The dogs in the sand are playing with a stick.
just because two dogs play together doesn't imply they are playing with a stick
exists s1 s2 s3 x1 x2 x4.(n_sand(x4) & a_topic(x1) & all x3.(n_other(x3) -> (rel(x1,x2) & in(x2,x4) & with(x2,x3))) & n_play(x2) & a_,(s3) & Theme(s3,x2) & a_black(s2) & Theme(s2,x2) & card_eq_1(x2) & card_eq_1(x2) & a_white(s1) & Theme(s1,x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_sand(x2) & n_dog(x1) & with(e1,x3) & n_stick(x3) & Actor(e1,x1) & v_play(e1) & in(x1,x2))