People sing with large maroon books.
People in church are singing while holding their bibles.
The people are not necessarily holding bibles or in church
exists e1 s1 x1 x2 x3.(with(e1,x2) & n_book(x2) & of(x2,x3) & n_maroon(x3) & a_large(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sing(e1) & n_people(x1))
exists e2 e1 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_bible(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x1) & v_sing(e1) & in(x1,x2) & n_church(x2) & n_people(x1))