Two dogs trying to bite each other.
Two dogs are playing Frisbee.
Cant bit and frisbee
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 x2.(ne_per_frisbee(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))