Eastern dancers holding flags.
Dancers holding flags.
Eastern dancers must necessarily BE dancers, and "dancers holding flags" is a restatement of "dancers holding flags."
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_hold(e1) & n_flag(x4) & (x1 = x3) & n_dancer(x1) & (x1 = x2) & ne_geo_eastern(x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_flag(x3) & (x1 = x2) & n_dancer(x1))