Slender dog running in the sand on a sunny day.
A pet swimming in a pool.
Slender dog is a very specific statement compared to a pet which is very vague .Running is a very different activity than swimming.
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 s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_pool(x2) & n_swimming(x1) & a_pet(s1) & Theme(s1,x1))