Scanner sc = new Scanner(System.in); int n = sc.nextInt();

    List<List<Integer>> lines = new ArrayList<>();

    for(int i = 0; i<n; i++)
    {
        int d = sc.nextInt();
        List<Integer> line = new ArrayList<>();

        for(int j=0; j<d; j++)
        {
            line.add(sc.nextInt());
        }
        lines.add(line);
    }

    int q = sc.nextInt();

    for(int i=0; i<q;i++)
    {
        int x = sc.nextInt();
        int y = sc.nextInt();

        try 
        {
            System.out.println(lines.get(x-1).get(y-1));
        }
        catch (IndexOutOfBoundsException e) 
        {
            System.out.println("ERROR!");
        }
     }

}