Slender dog running in the sand on a sunny day.
A dog is running to fetch a stick in the sand.
Dogs can run in the sand for other reasons than to fetch a stick.
exists e1 s1 x1 x2 x3 x4 x5.(n_sand(x4) & a_topic(x1) & on(e1,x5) & n_day(x5) & a_sunny(s1) & Theme(s1,x5) & in(e1,x4) & Actor(e1,x3) & v_run(e1) & (x1 = x3) & n_dog(x1) & (x1 = x2) & ne_nam_slender(x2))
exists e1 p1 x1 x2 x3.(n_sand(x3) & in(e1,x3) & Topic(e1,p1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x1) & v_fetch(e2) & n_stick(x4)) & Actor(e1,x2) & v_run(e1) & n_dog(x2) & n_dog(x1))