public class Solution {

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 in = new Scanner(System.in);
        int n = in.nextInt();
        ArrayList<ArrayList<Integer>> arr = new ArrayList<ArrayList<Integer>>(n);

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

        int q = in.nextInt();

        for (int i = 0; i < q; i++) {
        int x = in.nextInt();
        int y = in.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!");
        }    
}