A whole bunch of people in church.
There are people inside.
Being in church means being inside a church.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_church(x3) & of(x1,x2) & n_people(x2) & n_bunch(x1) & a_whole(s1) & Theme(s1,x1))
exists p1 s1 x1.(a_inside(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_people(x2)))