Man in white shirt standing in a city street.
Man in all black is running through a city street.
White and black are different.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & in(x2,x4) & n_street(x4) & of(x4,x5) & n_city(x5) & n_standing(x2) & of(x2,x3) & n_shirt(x3) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists x1.(all x2.(n_black(x2) -> exists e1 x3 x4.(through(e1,x3) & n_street(x3) & of(x3,x4) & n_city(x4) & Actor(e1,x1) & v_run(e1) & in(x1,x2))) & n_man(x1))