A black dog in the water.
An animal is in water.
a dog is an animal
exists s1 x1 x2.(n_water(x2) & a_topic(x1) & in(x1,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_water(x2)) & n_animal(x1))