public static void main(String[] args) { /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */

    Scanner sc = new Scanner(System.in);
    ArrayList<ArrayList<Integer>> arr = new ArrayList<ArrayList<Integer>>();

    int n = sc.nextInt();
    for (int i = 0; i < n; i++) {
        int d = sc.nextInt();
        arr.add(new ArrayList<Integer>());
        for (int j = 0; j < d; j++) {
            arr.get(i).add(sc.nextInt());    
        }
    }

    int q = sc.nextInt();
    for (int i = 0; i < q; i++) {
        int x = sc.nextInt();
        int y = sc.nextInt();
        try{    
            if (arr.get(x - 1).get(y - 1) != null) {
                System.out.println(arr.get(x - 1).get(y - 1));

            } else {
                System.out.println("ERROR!");
            }
        }    
        catch(Exception e){
        System.out.println("ERROR!");
        }    
    }
}