A lead choir singer with the rest of the choir singing in the background of a concert hall.
The singers are female.
The singers in the choir do not have to be female.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_background(x5) & n_rest(x3) & a_topic(x1) & with(x1,x3) & of(x3,x2) & in(e1,x5) & of(x5,x6) & n_hall(x6) & of(x6,x7) & n_concert(x7) & Actor(e1,x4) & v_sing(e1) & (x2 = x4) & n_choir(x2) & n_choir(x2) & n_singer(x1) & of(x1,x2) & a_lead(s1) & Theme(s1,x1))
exists s1 x1.(n_singer(x1) & Theme(s1,x1) & a_female(s1))