Woman in skirt getting ready to perform.
A woman in a skit was getting ready to sing on stage.
Just because the woman is ready to perform, it doesn't imply  she is ready to sing on stage.
exists e1 p1 s1 x1 x2.(ne_nam_woman(s1) & a_topic(s1) & in(s1,x1) & exists p2 s2.(Topic(s2,p2) & Actor(s2,x2) & a_ready(s2) & exists e2.(Actor(e2,x2) & v_perform(e2))) & Topic(e1,p1) & Actor(e1,x2) & v_get(e1) & (x1 = x2) & n_skirt(x1))
exists e1 p1 x1 x2.(exists p2 s1.(Topic(s1,p2) & Actor(s1,x1) & a_ready(s1) & exists e2 x3.(on(e2,x3) & n_stage(x3) & Actor(e2,x1) & v_sing(e2))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & in(x1,x2) & n_skit(x2) & n_woman(x1))