a black dog runs through the water.
A dog is fetching a duck from a pond.
the dog may just be running in water. he may not be fetching a duck
exists e1 s1 x1 x2.(n_water(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(from(e1,x3) & n_pond(x3) & Theme(e1,x2) & Actor(e1,x1) & v_fetch(e1) & n_duck(x2) & n_dog(x1))