Two dogs in the water.
Two dogs are outside.
Just because the dogs are in the water doesn't necessarily mean that they are outside.
exists x1 x2.(n_water(x2) & a_topic(x1) & in(x1,x2) & n_dog(x1) & card_eq_2(x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_dog(x1) & card_eq_2(x1))