A man and a woman speaking into a microphone are on a stage.
Two people are standing on a stage speaking into a mic.
If they are on stage, they must be speaking into the 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 e1 x1 x2 x3 x4.(into(e1,x4) & n_mic(x4) & on(e1,x2) & n_speaking(x2) & of(x2,x3) & n_stage(x3) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_2(x1))