A man on stage with a microphone in front of an audience.
The man is going to sing for an audience.
Having a microphone on stage does always mean a man is going to sing.
exists x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & with(x2,x3) & in(x3,x4) & of(x4,x5) & n_audience(x5) & n_front(x4) & n_microphone(x3) & n_stage(x2) & n_man(x1))
exists e1 p1 x1.(n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 x2.(for(e2,x2) & n_audience(x2) & Actor(e2,x1) & v_sing(e2)))