A black dog and a white dog play with each other and a green ball.
A black dog and a white dog sleep next to each other.
The dogs cannot play and sleep at the same time.
exists s1 s2 s3 s4 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & with(x2,x4) & subset_of(x5,x4) & n_ball(x5) & a_green(s4) & Theme(s4,x5) & all x6.(n_other(x6) -> subset_of(x6,x4)) & n_play(x2) & of(x2,x3) & n_dog(x3) & a_white(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_dog(x1) & a_black(s2) & Theme(s2,x1))
exists s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & all x5.(n_other(x5) -> to(x4,x5)) & next(x2,x4) & n_thing(x4) & n_sleep(x2) & of(x2,x3) & n_dog(x3) & a_white(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_dog(x1) & a_black(s2) & Theme(s2,x1))