Three children pose for a picture.
Three children are sleeping.
it is not possible to give pose for photo while sleeping
exists e1 x1 x2.(for(e1,x2) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_child(x1) & card_eq_3(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_child(x1) & card_eq_3(x1))