A man and a woman dance in front of black and white artwork.
A man and woman sleeping.
People can't be sleeping and dancing at the same time.
exists s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & of(x4,x5) & n_artwork(x5) & a_white(s3) & Theme(s3,x5) & a_black(s2) & Theme(s2,x5) & n_front(x4) & n_dance(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & n_sleeping(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))