Crew men help clean up debris on a street.
the men clear the road for 25 an hour
Then clear the road is not necessary to clean up the debris.
exists e1 p1 x1 x2.(exists e2 s1 x3 x4.(a_up(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_clean(e2) & on(x3,x4) & n_street(x4) & n_debris(x3)) & Topic(e1,p1) & Actor(e1,x1) & v_help(e1) & n_man(x1) & (x1 = x2) & ne_nam_crew(x2))
exists x1 x2.(n_road(x2) & n_man(x1) & all x3.(n_hour(x3) -> exists e1 x4.(Theme(e1,x2) & Actor(e1,x1) & v_clear(e1) & for(x2,x4) & for(x4,x3) & n_date(x4) & a_date_day_25(x4) & a_date_day_25(x4))))