Two dogs standing in the snow.
A dog is outside during the winter.
Dogs can be standing in artificial snow that can be made when it's not winter.
exists e1 x1 x2 x3.(n_snow(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists s1 x1 x2.(n_winter(x2) & during(s1,x2) & Theme(s1,x1) & a_outside(s1) & n_dog(x1))