This group of people are posed, progressively higher, one behind the other.
The group of people are posing.
A group of people can be posed for any reason and not just if they have the explicit intent of posing.
exists e1 s1 x1 x2 x3 x4.(n_other(x4) & n_group(x1) & behind(e1,x4) & rel(e1,x3) & n_thing(x3) & card_eq_1(x3) & r_progressively(e1) & a_higher(s1) & Manner(e1,s1) & Theme(e1,x1) & v_pose(e1) & of(x1,x2) & n_people(x2))
exists e1 x1 x2.(n_group(x1) & Actor(e1,x1) & v_pose(e1) & of(x1,x2) & n_people(x2))