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    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();
    }
    

    }