Three dogs in the snow.
Three dogs outside.
Three dogs are outside in the snow
exists x1 x2.(n_snow(x2) & a_topic(x1) & in(x1,x2) & n_dog(x1) & card_eq_3(x1))
exists s1 x1 x2.(a_topic(x1) & Theme(s1,x2) & a_outside(s1) & (x1 = x2) & n_dog(x1) & card_eq_3(x1))