A woman poses with her white dog on a sidewalk.
Nobody is posing.
woman and nobody are not same.
exists e1 s1 x1 x2 x3.(with(e1,x2) & on(x2,x3) & n_sidewalk(x3) & n_dog(x2) & a_white(s1) & Theme(s1,x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_pose(e1) & n_woman(x1))
-exists e1 x1.(Actor(e1,x1) & v_pose(e1) & n_person(x1))