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> list = new ArrayList<>(); int n = sc.nextInt();

    for (int i = 0; i < n; i++) {
        int m = sc.nextInt();
        ArrayList<Integer> a = new ArrayList<Integer>();
        for (int j = 0; j < m; j++) {
            a.add(sc.nextInt());
        }
        list.add(a);
    }

    int x = sc.nextInt();

    for (int i = 0; i < x; i++) {
        int num1 = sc.nextInt()-1;
        int num2 = sc.nextInt()-1;

        if(num1<list.size() && num1>=0) {
            if(num2<list.get(num1).size() && num2>=0) {
                System.out.println(list.get(num1).get(num2));
            }else{
            System.out.println("ERROR!");   
        }
        }
    }

}