A couple enjoy the scenery while a photographer captures it on film.
The couple are taking selfies.
The couple would not have a photographer while taking selfies.
exists e1 p1 x1 x2.(n_thing(x2) & n_scenery(x2) & exists e2 x3 x4.(on(e2,x4) & n_film(x4) & Theme(e2,x2) & Actor(e2,x3) & v_capture(e2) & n_photographer(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_couple(x1))
exists e1 x1 x2.(n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_selfy(x2))