Men and women of various ages sit playing instruments in an orchestra while a similar group stand in the background as a choir.
An orchestra performs with a choir for their nightly show at the theater.
The performance may not be done nightly. The players may not be at the theater.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_background(x9) & for(e1,e2) & in(e2,x9) & as(x9,x10) & n_choir(x10) & while(e2,x7) & n_stand(x7) & of(x7,x8) & n_group(x8) & a_similar(s2) & Theme(s2,x7) & in(e2,x6) & n_orchestra(x6) & Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_instrument(x5) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & of(x3,x4) & n_age(x4) & a_various(s1) & Theme(s1,x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 s1 x1 x2 x3 x4.(n_theater(x4) & with(e1,x2) & for(x2,x3) & at(x3,x4) & n_show(x3) & a_nightly(s1) & Theme(s1,x3) & of(x3,x1) & n_thing(x1) & n_choir(x2) & Actor(e1,x1) & v_perform(e1) & n_orchestra(x1))