a woman who is performing on stage with a microphone.
A women on stage with a microphone perforems.
On stage is a rephrase of performing on stage.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_microphone(x4) & on(e1,x3) & n_stage(x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_perforem(e1) & on(x1,x2) & with(x2,x3) & n_microphone(x3) & n_stage(x2) & n_woman(x1))