A group of people are listening to a live indoor musical performance.
The people are at the orchestra.
Not all people listening to music are at an orchestra.
exists e1 s1 s2 s3 x1 x2 x3.(to(e1,x3) & n_performance(x3) & a_musical(s3) & Theme(s3,x3) & a_indoor(s2) & Theme(s2,x3) & a_live(s1) & Theme(s1,x3) & Actor(e1,x1) & v_listen(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1 x2.(n_orchestra(x2) & n_people(x1) & at(x1,x2))