The building is undergoing a construction project.
A building has scaffolding adjoined to it on two sides.
Not all buildings with construction have scaffolding on two sides.
exists e1 x1 x2 x3.(n_building(x1) & Theme(e1,x2) & Actor(e1,x1) & v_undergo(e1) & n_project(x2) & of(x2,x3) & n_construction(x3))
exists e2 e1 p1 x1.(for(e1,e2) & exists e3 x2.(on(e3,x2) & n_side(x2) & card_eq_2(x2) & to(e3,x1) & Theme(e3,x1) & v_adjoin(e3)) & n_thing(x1) & Topic(e2,p1) & Actor(e2,x1) & v_scaffold(e2) & Actor(e1,x1) & v_have(e1) & n_building(x1))