A man is working on a steam engine in front of a water tower.
The steam engine is not running.
If your running on a steam engine then the steam engine is nit running
exists e1 x1 x2 x3 x4 x5 x6.(in(e1,x4) & of(x4,x5) & n_tower(x5) & of(x5,x6) & n_water(x6) & n_front(x4) & on(e1,x2) & n_engine(x2) & of(x2,x3) & n_steam(x3) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists x1 x2.(n_engine(x1) & of(x1,x2) & n_steam(x2) & -exists e1.(Actor(e1,x1) & v_run(e1)))