Two construction workers are lounging against a rail.
Two workers are taking a rest
"Taking a rest" is a way to rephrase "lounging".
exists e1 x1 x2 x3.(against(e1,x3) & n_rail(x3) & Actor(e1,x1) & v_lounge(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_rest(x2) & n_worker(x1) & card_eq_2(x1))