The workers in the maintenance department continued to clean the area after heavy rains.
After the heavy rains the maintenance workers continued to clean the area.
maintenance department continued to clan the area is the same thing as maintenance workers continued to clean the area.
exists e1 p1 s1 x1 x2 x3 x4 x5.(n_area(x5) & n_department(x2) & of(x2,x3) & n_maintenance(x3) & n_worker(x1) & after(e1,x4) & n_rain(x4) & a_heavy(s1) & Theme(s1,x4) & Topic(e1,p1) & Actor(e1,x1) & v_continue(e1) & exists e2.(Theme(e2,x5) & Actor(e2,x1) & v_clean(e2)) & in(x1,x2))
exists e1 p1 s1 x1 x2 x3 x4.(n_rain(x3) & a_heavy(s1) & Theme(s1,x3) & n_area(x4) & n_worker(x1) & of(x1,x2) & n_maintenance(x2) & after(e1,x3) & Topic(e1,p1) & Actor(e1,x1) & v_continue(e1) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_clean(e2)))