Two dogs, one black, the other black and white runs on the beach.
Dogs are on the beach.
The two dogs who "runs on the beach" shows they are "on the beach".
exists s1 s2 s3 s4 s5 x1 x2 x3 x4 x5.(n_beach(x5) & -(x4 = x4) & n_run(x4) & a_white(s5) & Theme(s5,x4) & a_black(s4) & Theme(s4,x4) & a_white(s3) & Theme(s3,x4) & a_black(s2) & Theme(s2,x4) & a_topic(x1) & rel(x1,x2) & rel(x2,x4) & on(x4,x5) & Theme(s1,x3) & a_black(s1) & (x2 = x3) & n_thing(x2) & card_eq_1(x2) & n_dog(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_beach(x2) & on(x1,x2) & n_dog(x1))