Two construction workers sit high above on a metal girder.
Two workers are standing on the ground.
Either the workers are standing or sit above a metal girder.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x3) & n_girder(x3) & of(x3,x4) & n_metal(x4) & a_above(s2) & Manner(e1,s2) & a_high(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2.(n_ground(x2) & on(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_worker(x1) & card_eq_2(x1))