Four people pose for a picture at a rally.
The four of them posed for a picture.
The four people could be at the rally and pose for a picture.
exists e1 x1 x2 x3.(for(e1,x2) & at(x2,x3) & n_rally(x3) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2.(n_thing(x2) & for(e1,x1) & n_picture(x1) & Actor(e1,x1) & v_pose(e1) & of(x1,x2) & n_thing(x1) & card_eq_4(x1))