A black dog chasing a red ball through the water.
A dog plays in the water.
a black dog tells you the color of the dog.
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.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))