A black dog in shallow water.
A dog is sitting on the river bank.
Either the dog is in the water or on the bank, not both at the same time.
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 x1 x2 x3.(n_bank(x2) & of(x2,x3) & n_river(x3) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_dog(x1))