People in matching outfits next to a canon.
Pictures are being taken of
Being next to a canon doesn't necessarily mean pictures are being taken.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & to(s1,x4) & n_canon(x4) & Theme(s1,x3) & a_next(s1) & (x2 = x3) & n_outfit(x2) & Actor(e1,x2) & v_match(e1) & n_people(x1))
exists e1 x1 x2.(ne_nam_pictures(x1) & of(e1,x2) & n_thing(x2) & Theme(e1,x1) & v_take(e1))