A man is standing on a sidewalk in the background with a blurry image of another man in the foreground.
The person that is blurry is a stranger to the other person
A person is not a stranger because they may appear blurry.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_foreground(x6) & n_background(x3) & in(e1,x6) & with(e1,x4) & of(x4,x5) & n_man(x5) & -(x5 = x1) & n_man(x1) & n_man(x1) & n_image(x4) & a_blurry(s1) & Theme(s1,x4) & in(e1,x3) & on(e1,x2) & n_sidewalk(x2) & Actor(e1,x1) & v_stand(e1))
exists p1 p2 x1 x2.(-(x1 = x1) & n_person(x1) & n_person(x1) & exists x4.((x1 = x4) & to(x4,x1) & n_stranger(x4)) & exists x3.((x2 = x3) & n_blurry(x3)) & (x1 = x2))