Three people pose for a picture with their dog.
Some people are taking a picture together
Some people implies more than one person, and there are three people; people pose in some way when they are taking a picture.
exists e1 x1 x2 x3.(for(e1,x2) & with(x2,x3) & n_dog(x3) & of(x3,x1) & n_thing(x1) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_people(x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_people(x1))