Two construction workers standing on scaffolding.
Two constructions workers are eating lunch on the ground.
Two constructions workers are either standing on scaffolding or eating lunch on the ground.
exists e1 x1 x2 x3.(on(e1,x3) & n_scaffolding(x3) & Actor(e1,x1) & v_stand(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_ground(x4) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_eat(e1) & n_lunch(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))