A black dog in the water.
A black dog is on fire.
The dog cannot be on fire if it is in the water.
exists s1 x1 x2.(n_water(x2) & a_topic(x1) & in(x1,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 s1 x1.(exists x2.(on(x1,x2) & n_fire(x2)) & n_dog(x1) & a_black(s1) & Theme(s1,x1))