Three men are working on scaffolding on the side of a building.
A man cleans windows on a tall building.
Three men is not just one man.
exists e1 e2 x1 x2 x3 x4.(n_side(x3) & on(e1,e2) & on(e2,x3) & of(x3,x4) & n_building(x4) & Actor(e2,x2) & v_scaffold(e2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_3(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & on(x2,x3) & n_building(x3) & a_tall(s1) & Theme(s1,x3) & n_window(x2) & n_man(x1))