a group of young people about to perform in front of an audience.
the audience are waiting for a performance
Just because there is an audience doesn't mean the audience is waiting for a performance.
exists e1 p1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_about(e1) & exists e2 x4 x5.(in(e2,x4) & of(x4,x5) & n_audience(x5) & n_front(x4) & Actor(e2,x3) & v_perform(e2)) & (x2 = x3) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(n_audience(x1) & for(e1,x2) & n_performance(x2) & Actor(e1,x1) & v_wait(e1))