Two dogs fighting for the same chew toy.
Two dogs sleeping with one another.
fighting and sleeping are not the same time
exists e1 e2 x1 x2 x3 x4.(n_same(x3) & Theme(e2,x4) & Actor(e2,x1) & v_chew(e2) & n_toy(x4) & for(e1,x3) & Actor(e1,x2) & v_fight(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_thing(x3) & card_eq_1(x3) & a_another(s1) & Theme(s1,x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))