Workers in bright yellow and red vests are cleaning windows outside a building.
People in uniform are taking dirt of windows.
Workers are people, and cleaning windows is a rephrasing of taking dirt of windows.
exists e1 s1 s2 s3 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_clean(e1) & outside(x3,x4) & n_building(x4) & n_window(x3) & in(x1,x2) & n_vest(x2) & a_red(s3) & Theme(s3,x2) & a_yellow(s2) & Theme(s2,x2) & a_bright(s1) & Theme(s1,x2) & n_worker(x1))
exists e1 x1 x2 x3 x4.(of(e1,x4) & n_window(x4) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_dirt(x3) & in(x1,x2) & n_uniform(x2) & n_people(x1))