Two dogs are fighting over a red Frisbee outside.
Two dogs fight one another for their owner's frisbee
The frisbee that two dogs are fighting over isn't necessarily their owner's frisbee.
exists e1 s1 x1 x2 x3.(over(e1,x2) & n_outside(x2) & of(x2,x3) & n_frisbee(x3) & a_red(s1) & Theme(s1,x2) & Actor(e1,x1) & v_fight(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_fight(e1) & for(x2,x4) & n_frisbee(x4) & of(x4,x3) & n_owner(x3) & of(x3,x1) & n_thing(x1) & n_thing(x2) & card_eq_1(x2) & a_another(s1) & Theme(s1,x2) & n_dog(x1) & card_eq_2(x1))