People moving along a crowded street while children are watching.
People are moving in a crowd with children watching.
Along a crowded street is same as in a crowd
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 e2 x1 x2 x3.(for(e1,e2) & Actor(e2,x1) & v_watch(e2) & in(e1,x2) & with(x2,x3) & n_child(x3) & n_crowd(x2) & Actor(e1,x1) & v_move(e1) & n_people(x1))