A man in a suit and tie in a fancy building is speaking at the podium.
A dressed up man in a building is getting ready to sing.
You don't know why man is there, you can't infer that it is to sing.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_podium(x6) & at(e1,x6) & Actor(e1,x1) & v_speak(e1) & in(x1,x2) & in(x2,x5) & n_building(x5) & a_fancy(s1) & Theme(s1,x5) & n_tie(x4) & n_suit(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 e2 p1 s1 x1 x2.(exists p2 s2.(Topic(s2,p2) & Actor(s2,x1) & a_ready(s2) & exists e3.(Actor(e3,x1) & v_sing(e3))) & Topic(e2,p1) & Actor(e2,x1) & v_get(e2) & in(x1,x2) & n_building(x2) & n_man(x1) & a_up(s1) & Theme(s1,x1) & Theme(e1,x1) & v_dress(e1))