Three people pose with their political signs out in public.
The people are being photographed.
People that pose with political signs are not always being photographed.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_public(x3) & r_out(e1) & with(e1,x2) & n_sign(x2) & a_political(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_pose(e1) & n_people(x1) & card_eq_3(x1))
exists e1 x1.(n_people(x1) & Theme(e1,x1) & v_photograph(e1))