People gathered outside of a church on the stairs.
There are people  inside the church
People can either be inside or outside the church.
exists e1 x1 x2 x3.(n_stair(x3) & of(e1,x2) & on(x2,x3) & n_church(x2) & r_outside(e1) & Actor(e1,x1) & v_gather(e1) & n_people(x1))
exists p1 x1 x3.(n_church(x3) & exists x2.((x1 = x2) & inside(x2,x3) & n_people(x2)))