Two photographers in a crowd are taking pictures in different directions.
Two people taking photos of the same object.
The one object cannot the same in one case and different in another.
exists e1 x1 x2 x3 x4 x5.(n_direction(x5) & in(e1,x4) & -(x4 = x5) & n_direction(x4) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_picture(x3) & in(x1,x2) & n_crowd(x2) & n_photographer(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(n_object(x4) & a_same(s1) & Theme(s1,x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & of(x3,x4) & n_photo(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))