A group of runners and walkers posing together for a picture.
Posing for a picture.
in both sentences, people are posing for a picture.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & a_together(s1) & Manner(e1,s1) & for(e1,x6) & n_picture(x6) & Actor(e1,x5) & v_pose(e1) & (x1 = x5) & of(x1,x2) & subset_of(x4,x2) & n_walker(x4) & subset_of(x3,x2) & n_runner(x3) & n_group(x1))
exists e1 x1 x2.(for(e1,x2) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_thing(x1))