People moving along a crowded street while children are watching.
There is a large parade and children are watching from the side of the street.
A crowded street isn't always a large parade.
exists e1 p1 s1 x1 x2 x3.(a_topic(x1) & exists e2 x4.(Actor(e2,x4) & v_watch(e2) & n_child(x4)) & while(e1,p1) & along(e1,x3) & n_street(x3) & a_crowded(s1) & Theme(s1,x3) & Actor(e1,x2) & v_move(e1) & (x1 = x2) & n_people(x1))
exists e1 p1 x1 x2 x3 x4.(n_street(x4) & n_side(x3) & from(e1,x3) & of(x3,x4) & Actor(e1,x2) & v_watch(e1) & n_child(x2) & exists s1 x5.((x1 = x5) & n_parade(x5) & a_large(s1) & Theme(s1,x5)))