A group of people in a room.
The people are outside.
The people are either in a room or outside.
exists x1 x2 x3.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_room(x3) & n_people(x2) & n_group(x1))
exists s1 x1.(n_people(x1) & Theme(s1,x1) & a_outside(s1))