Anchors for local ABC affiliate Channel 7 news.
Channel 7 news anchors for the past 50 years celebrate the ABC affiliate's anniversary.
The anchors are not necessarily from the past 50 years, they are not necessarily celebrating anything, and it's not necessarily the affiliate's anniversary.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & for(x1,x2) & n_news(x2) & n_date(x2) & a_date_day_07(x2) & a_date_day_07(x2) & (x2 = x5) & ne_nam_channel(x5) & of(x2,x4) & n_affiliate(x4) & (x2 = x3) & ne_org_abc(x3) & a_local(s1) & Theme(s1,x2) & n_anchor(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_anniversary(x7) & of(x7,x5) & n_affiliate(x5) & (x5 = x6) & ne_org_abc(x6) & n_year(x4) & card_eq_50(x4) & a_past(s1) & Theme(s1,x4) & Theme(e1,x7) & Actor(e1,x1) & v_celebrate(e1) & for(x1,x4) & n_anchor(x1) & of(x1,x3) & n_news(x3) & n_date(x1) & a_date_day_07(x1) & a_date_day_07(x1) & (x1 = x2) & ne_nam_channel(x2))