A man and a woman speaking into a microphone are on a stage.
They are on the stage.
A man and a woman (they) are on stage using a microphone
exists e1 p1 x1 x2 x3 x4 x5.(exists x6.(on(x1,x6) & n_stage(x6)) & subset_of(x3,x1) & into(e1,x5) & n_microphone(x5) & Actor(e1,x4) & v_speak(e1) & (x3 = x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists p1 x1 x2.(n_stage(x2) & n_thing(x1) & on(x1,x2))