Dark nightclub with chairs.
There is a dark nightclub.
The two statements refer to the same dark nightclub
exists x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_chair(x3) & n_nightclub(x1) & (x1 = x2) & ne_nam_dark(x2))
exists p1 x1 s1 x2.((x1 = x2) & n_nightclub(x2) & a_dark(s1) & Theme(s1,x2))