A group of spectators are watching a choir performance.
The choir is singing Baby Got Back.
The fact that people are watching a choir performance does not indicate that the choir is singing Baby Got Back or any other specific song.
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_performance(x3) & of(x3,x4) & n_choir(x4) & of(x1,x2) & n_spectator(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(ne_org_back(x2) & (x2 = x4) & ne_org_got(x4) & (x2 = x3) & ne_org_baby(x3) & n_choir(x1) & Theme(e1,x2) & Actor(e1,x1) & v_sing(e1))