A large dog stands in the water.
The dog is large
A dog is large is a restatement of a large dog.
exists s1 x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_stand(x1) & of(x1,x2) & n_dog(x2) & a_large(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_large(s1))