People at a photo shoot.
People are taking pictures.
in a both sentence shoot and pictures is various
exists x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_shoot(x2) & of(x2,x3) & n_photo(x3) & n_people(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_people(x1))