The dogs are running in the snow.
Two dogs are running outside.
Dogs running in the snow must be running outside.
exists e1 x1 x2.(n_snow(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_run(e1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))