Two dogs trying to bite each other.
Dogs are fighting.
If the dogs are trying to bite each other, then the dogs are fighting.
exists e1 p1 x1 x2.(a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_try(e1) & all x3.(n_other(x3) -> exists e2.(Theme(e2,x3) & Actor(e2,x2) & v_bite(e2))) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_fight(e1) & n_dog(x1))