Three young adults pose for the camera.
There are people posing for a picture.
pose for the camera shows that posing  for the picture
exists e1 s1 x1 x2.(n_camera(x2) & for(e1,x2) & Actor(e1,x1) & v_pose(e1) & n_adult(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & for(e1,x4) & n_picture(x4) & Actor(e1,x3) & v_pose(e1) & (x2 = x3) & n_people(x2))