Two brown dogs are fighting and biting each other.
Two dogs are attacking each other.
When dogs are fighting and biting each other they are attacking each other.
exists s1 s2 x1 x2.(all x4.(n_other(x4) -> exists e2.(Theme(e2,x4) & Actor(e2,x2) & v_bite(e2))) & n_dog(x2) & a_brown(s2) & Theme(s2,x2) & card_eq_2(x2) & all x3.(n_other(x3) -> exists e1.(Theme(e1,x3) & Actor(e1,x1) & v_fight(e1))) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_attack(e1))) & n_dog(x1) & card_eq_2(x1))