An old woman with a white dog
Elderly woman walking her white terrier
The old woman didn't have to have a terrier. It could be any type of dog, as long as it is a white dog.
exists s1 s2 x1 x2.(a_topic(x1) & with(x1,x2) & n_dog(x2) & a_white(s2) & Theme(s2,x2) & n_woman(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_terrier(x3) & a_white(s2) & Theme(s2,x3) & of(x3,x1) & n_female(x1) & (x1 = x2) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))