A black dog in shallow water.
A puppy is learning to swim.
A dog is not always a puppy and a dog being in water does not mean that it is learning to swim.
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 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_learn(e1) & exists e2.(Actor(e2,x1) & v_swim(e2)) & n_puppy(x1))