An orchestra performing for an audience.
An orchestra performing for people.
Performing means there is an audience.
exists e1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_audience(x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_orchestra(x1))
exists e1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_people(x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_orchestra(x1))