Two dogs, one brown and the other black, play in the surf in the shallow ocean water.
two dogs are playing with each other.
Two dogs playing doesn't imply they are playing with each other.
exists s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(n_water(x6) & of(x6,x8) & n_ocean(x8) & of(x6,x7) & n_shallow(x7) & n_surf(x5) & -(x4 = x4) & n_play(x4) & a_,(s4) & Theme(s4,x4) & a_black(s3) & Theme(s3,x4) & a_,(s2) & Theme(s2,x4) & a_black(s1) & Theme(s1,x4) & a_topic(x1) & rel(x1,x2) & subset_of(x4,x2) & in(x4,x6) & in(x4,x5) & subset_of(x3,x2) & n_brown(x3) & card_eq_1(x3) & n_dog(x1) & card_eq_2(x1))
exists e1 x1.(all x2.(n_other(x2) -> with(e1,x2)) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))