Two construction workers are lounging against a rail.
Two workers are using hammers to build a bench
The workers cannot be lounging against a rail and using hammer to build a bench simultaneously.
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 p1 x1 x2.(Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_use(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_build(e2) & n_bench(x3)) & n_hammer(x2) & n_worker(x1) & card_eq_2(x1))