Two dogs are fighting over something.
Animals are fighting.
Dogs are animals.
exists e1 x1 x2.(over(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_fight(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_fight(e1) & n_animal(x1))