Two construction workers leaning against the guard rail of a construction site.
The workers are wearing orange safety vests.
Just because they are construction workers doesn't imply they are wearing orange safety vests.
exists e1 x1 x2 x3 x4 x5 x6.(n_rail(x3) & of(x3,x4) & n_guard(x4) & against(e1,x3) & of(x3,x5) & n_site(x5) & of(x5,x6) & n_construction(x6) & Actor(e1,x1) & v_lean(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_worker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_vest(x2) & of(x2,x4) & n_safety(x4) & of(x2,x3) & n_orange(x3))