Someone

    @Override
    public void execute (Game game, String line){
        Room room= game.getCurrentRoom().getSouth();
        Room currentRoom = game.getCurrentRoom();
        boolean gameover = false;
        if (room !=null){
            if (currentRoom.getName().equalsIgnoreCase("VRATNICA2")){
                Item item = currentRoom.getItem("KAMERY");
                if (item !=null){
                   game.getUI().println("Kamery su zapnute.....");
                   gameover = true;
                }
            }
             game.setCurrentRoom(room);
        }
        else{
            game.getUI().println("Tam ist nemozes. Skus iny smer");
        }
        if (gameover)
            game.setGameState(GameState.GAMEOVER);
        else
            game.setGameState(GameState.PLAYING);
        
    }