4 construction workers working on the scaffolding of a building.
Four workers are working outside.
Working on the scaffolding shows that the workers are working outside.
exists e1 x1 x2 x3 x4.(n_scaffolding(x3) & on(e1,x3) & of(x3,x4) & n_building(x4) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & card_eq_4(x1))