Two dogs are fighting over something.
Two dogs are sleeping on the floor.
The dogs would not be fighting while sleeping.
exists e1 x1 x2.(over(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_fight(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_floor(x2) & on(e1,x2) & Actor(e1,x1) & v_sleep(e1) & n_dog(x1) & card_eq_2(x1))