There are seven women competing in a roller derby contest with a referee in the background.
There are seven women competing.
There are seven women competing is identical in meaning to there are seven women competing.
exists p1 x1 x8.(n_background(x8) & exists e1 x2 x3 x4 x5 x6 x7.((x1 = x2) & in(e1,x4) & with(x4,x7) & in(x7,x8) & n_referee(x7) & n_contest(x4) & of(x4,x6) & n_derby(x6) & of(x4,x5) & n_roller(x5) & Actor(e1,x3) & v_compete(e1) & (x2 = x3) & n_woman(x2) & card_eq_7(x2)))
exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_compete(e1) & (x2 = x3) & n_woman(x2) & card_eq_7(x2))