Children smiling and waving at camera
They are smiling at their parents
Just because they are smiling and waving at a camera does not imply their parents or anyone is anyone behind it
exists e2 e1 x1 x2.(ne_nam_children(x1) & at(e2,x2) & n_camera(x2) & Actor(e2,x1) & v_wave(e2) & Actor(e1,x1) & v_smile(e1))
exists e1 x1 x2.(n_parent(x2) & of(x2,x1) & n_thing(x1) & n_thing(x1) & at(e1,x2) & Actor(e1,x1) & v_smile(e1))