A group of people are sitting in an auditorium looking at a screen on the stage.
there are people in the auditoriam
sitting  in an auditorium  implies   in the auditoriam
exists e1 e2 x1 x2 x3 x4 x5.(n_stage(x5) & for(e1,e2) & at(e2,x4) & on(x4,x5) & n_screen(x4) & Actor(e2,x1) & v_look(e2) & in(e1,x3) & n_auditorium(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1 x2.(n_auditoriam(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_people(x3)))