Two construction workers sit high above on a metal girder.
Two workers are up in the air eating lunch.
We don't know that the workers are eating lunch as they sit.
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 s1 x1 x2 x3 x4.(n_lunch(x2) & of(x2,x4) & n_eating(x4) & of(x2,x3) & n_air(x3) & in(s1,x2) & Theme(s1,x1) & a_up(s1) & n_worker(x1) & card_eq_2(x1))