Young boy turning a crank in the street.
A little boy is cranking something.
Turning a crank and cranking are the same thing, so the sentences restate each other.
exists e1 s1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_turn(e1) & n_crank(x3) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_crank(e1) & n_thing(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))