Workers are attending to a building with many windows.
There are people cleaning windows.
Workers attending a building may not be people cleaning windows
exists e1 x1 x2 x3.(to(e1,x2) & with(x2,x3) & n_window(x3) & n_quantity(x3) & n_building(x2) & Actor(e1,x1) & v_attend(e1) & n_worker(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_clean(e1) & n_window(x4) & (x2 = x3) & n_people(x2))