Two dogs run on the grass.
There are two dogs running in the grass.
two dogs are running around in the grass together
exists e1 x1 x2.(n_grass(x2) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists p1 x1 x4.(n_grass(x4) & exists e1 x2 x3.((x1 = x2) & in(e1,x4) & Actor(e1,x3) & v_run(e1) & (x2 = x3) & n_dog(x2) & card_eq_2(x2)))