The dog retrieves the branch from the water.
The dog is in the water
The dog may not be standing in the water.
exists e1 x1 x2 x3.(n_water(x3) & n_branch(x2) & n_dog(x1) & from(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_retrieve(e1))
exists p1 x1 x2.(n_water(x2) & n_dog(x1) & in(x1,x2))