A group of twenty or so people posing for a picture.
People are standing together.
A group of twenty or so people are standing together and posing for a picture.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & for(e1,x4) & n_picture(x4) & Actor(e1,x3) & v_pose(e1) & (x2 = x3) & ((n_people(x2) & card_eq_20(x2)) | exists s1.(n_people(x2) & a_so(s1) & Theme(s1,x2))) & n_group(x1))
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_people(x1))