A black dog with a red collar wading through the water.
A dog is running down the beach.
If he is wading through the water, he is not running down the beach.
exists e1 s1 s2 x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & with(x1,x2) & through(e1,x4) & Actor(e1,x3) & v_wade(e1) & (x2 = x3) & n_collar(x2) & a_red(s2) & Theme(s2,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_beach(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))