A dog with tiger colorings steps into the water.
There is a dog in the water.
If a dog steps into the water then there is a dog in the water.
exists x1 x2 x3 x4 x5.(n_water(x5) & a_topic(x1) & into(x1,x5) & with(x1,x2) & n_step(x2) & of(x2,x4) & n_coloring(x4) & of(x2,x3) & n_tiger(x3) & n_dog(x1))
exists p1 x1 x3.(n_water(x3) & exists x2.((x1 = x2) & in(x2,x3) & n_dog(x2)))