A man and woman walking down a city street.
A little boy is attempting to cross the road by himself.
There can be either a little boy or a man and woman
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x4) & Actor(e1,x3) & v_walk(e1) & n_street(x4) & of(x4,x5) & n_city(x5) & (s1 = x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e1 p1 s1 x1 x2.(n_male(x2) & n_road(x2) & Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & exists e2.(by(e2,x2) & Theme(e2,x2) & Actor(e2,x1) & v_cross(e2)) & n_boy(x1) & a_little(s1) & Theme(s1,x1))