A woman who is dressed in period clothing is performing on stage.
A woman is performing.
A woman performing is part of the description of woman who is dressed in period clothing performing on stage.
exists e2 e1 x1 x2 x3 x4 x5.(on(e2,x5) & n_stage(x5) & Actor(e2,x1) & v_perform(e2) & in(e1,x3) & n_clothing(x3) & of(x3,x4) & n_period(x4) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1.(Actor(e1,x1) & v_perform(e1) & n_woman(x1))