A small brown and black dog
A small dog playing with a ball
We have no idea if the dog is playing with a ball, it could be doing anything.
exists s1 s2 s3 x1 x2.(a_topic(s1) & subset_of(x2,s1) & n_dog(x2) & a_black(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_brown(x1) & a_small(s2) & Theme(s2,x1))
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_ball(x3) & n_playing(x1) & of(x1,x2) & n_dog(x2) & a_small(s1) & Theme(s1,x1))