two dogs play together.
The dogs are fighting over a toy.
Playing does indicate that the dogs are fighting over a toy
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_dog(x1) & over(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_fight(e1))