A big dog running through the water
A german shepard is running through a pond.
The dog could be something other than a german shepard.
exists e1 s1 x1 x2 x3.(n_water(x3) & a_topic(x1) & through(e1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_big(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(through(e1,x3) & n_pond(x3) & Actor(e1,x1) & v_run(e1) & n_shepard(x1) & of(x1,x2) & n_german(x2))