Two small dogs run through the grass.
dogs are chasing each other
You can not infer they are chasing.
exists e1 s1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1))) & n_dog(x1))