A man walking in front of a building with graffiti on it.
A man is walking down the street.
In front of a building is the street.
exists x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x3) & on(x3,x1) & n_thing(x1) & of(x3,x4) & with(x4,x5) & n_graffitus(x5) & n_building(x4) & n_front(x3) & n_walking(x1) & of(x1,x2) & n_man(x2))
exists e1 s1 x1 x2.(n_street(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))