import java.util.ArrayList; import java.util.Scanner;

public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt();

    ArrayList<ArrayList<Integer>> lines = new ArrayList<>();
    for (int i = 0; i < n; i++) {
        int d = scanner.nextInt();
        ArrayList<Integer> line = new ArrayList<>();
        for (int j = 0; j < d; j++) {
            line.add(scanner.nextInt());
        }
        lines.add(line);
    }

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

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

}