A black dog in shallow water.
A dog is wading across a small creek.
A dog in shallow water does not mean that it is wading across a creek.
exists s1 s2 x1 x2.(a_topic(x1) & in(x1,x2) & n_water(x2) & a_shallow(s2) & Theme(s2,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(across(e1,x2) & n_creek(x2) & a_small(s1) & Theme(s1,x2) & Actor(e1,x1) & v_wade(e1) & n_dog(x1))