A black and brown dog rolls around in the grass.
Two dogs are fighting in the grass
a dog is rolling around while two other dogs are rolling around because they are fighting
exists s1 s2 x1 x2 x3.(n_grass(x3) & a_topic(x1) & in(x1,x3) & r_around(x1) & n_roll(x1) & of(x1,x2) & n_dog(x2) & a_brown(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_fight(e1) & n_dog(x1) & card_eq_2(x1))