A white man in the background watches a black man in the foreground playing with a soccer ball on a beach.
An empty beach at night.
There cannot be a man in the background and a man in the foreground and the beach be empty.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_playing(x4) & a_foreground(s3) & Theme(s3,x4) & n_background(x2) & in(e1,x4) & on(x4,x7) & n_beach(x7) & with(x4,x5) & n_ball(x5) & of(x5,x6) & n_soccer(x6) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_man(x3) & a_black(s2) & Theme(s2,x3) & in(x1,x2) & n_man(x1) & a_white(s1) & Theme(s1,x1))
exists s1 x1 x2.(a_topic(x1) & at(x1,x2) & n_night(x2) & n_beach(x1) & a_empty(s1) & Theme(s1,x1))