Two workers are building a skyscraper.
Two construction guys are working high up in the metal scaffolding of a skyscraper under construction.
We don't know where the workers are working, that they are actually high up in the metal scaffolding.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_skyscraper(x2) & n_worker(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_scaffolding(x3) & of(x3,x4) & n_metal(x4) & in(e1,x3) & of(x3,x5) & under(x5,x6) & n_construction(x6) & n_skyscraper(x5) & r_high(e1) & a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_guy(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))