Three people standing on a beach talking with cameras
Some photographers are taking photos of the ocean
Not all people are photographers. People with cameras are not necessarily taking photos of the ocean.
exists e2 e1 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & with(e2,x4) & n_camera(x4) & Actor(e2,x2) & v_talk(e2) & on(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(n_ocean(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x3) & n_photo(x2) & n_photographer(x1))