A man is giving a presentation in front of a lot of people.
the man is silent
One cannot remain silent while giving a presentation.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & in(x2,x3) & of(x3,x4) & of(x4,x5) & n_people(x5) & n_lot(x4) & n_front(x3) & n_presentation(x2) & n_man(x1))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_silent(s1))