A man and a dog.
A man with a dirty animal play outdoors.
The dog might not be dirty.
exists s1 x1 x2.(a_topic(s1) & subset_of(x2,s1) & n_dog(x2) & subset_of(x1,s1) & n_man(x1))
exists x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & Time(x2,x5) & n_outdoors(x5) & n_play(x2) & of(x2,x4) & n_animal(x4) & of(x2,x3) & n_dirty(x3) & n_man(x1))