A young man is crossing an urban street at the crosswalk.
The man is crossing the street
The young man is also man who is crossing the (urban) street as part of his description at the crosswalk.
exists e1 s1 s2 x1 x2 x3.(n_crosswalk(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_cross(e1) & n_street(x2) & a_urban(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_street(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_cross(e1))