A group of people preparing for a move.
There is preparation for a move.
If people are preparing then there is preparation.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & for(e1,x4) & n_move(x4) & Actor(e1,x3) & v_prepare(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1 x2 x3.((x1 = x2) & for(x2,x3) & n_move(x3) & n_preparation(x2))