Three dogs in the snow.
Three dogs swimming.
The dogs can't swim 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.(n_swimming(x1) & a_.(s1) & Theme(s1,x1) & of(x1,x2) & n_dog(x2) & card_eq_3(x1) & a_topic(x1))