A black dog chasing a red ball through the water.
Rex fetches his ball from the lake.
The dog has a name, Rex. The dog retrieves his ball. The water could be the ocean, or a puddle, does not have to be a lake.
exists e1 s1 s2 x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & through(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_chase(e1) & n_ball(x3) & a_red(s2) & Theme(s2,x3) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_lake(x3) & n_ball(x2) & of(x2,x1) & n_male(x1) & ne_per_rex(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fetch(e1) & from(x2,x3))