Three people pose with their political signs out in public.
Three tall people posing.
You can not assume that all people are tall.
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 s1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_pose(e1) & (x1 = x2) & n_people(x1) & a_tall(s1) & Theme(s1,x1) & card_eq_3(x1))