import java.util.Arrays;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int[] A = new int[N];
        int[] B = new int[N];
        int ans = 0;
        int[] result = new int[N];
        int c = 0;
        for (int i = 0; i < N; i++) {
            A[i] = sc.nextInt();
            B[i] = sc.nextInt();
        }
        int M = sc.nextInt();
        int ch = 0;
        lavel:
        for (int i = 0; i < M; i++) {
            int X = sc.nextInt();
            int Y = sc.nextInt();
            ans=0;
            for (int j = 0; j < N; j++) {
                if (X <= A[j] && Y >= B[j]) {
                    ans++;
                }
            }
            if (ch <= ans && ans != 0) {
                if (ch == ans) {
                    c++;
                    result[c] = i + 1;
                } else {
                    Arrays.fill(result, 0);
                    ch = ans;
                    c = 0;
                    result[c] = i + 1;
                }
            }
        }
        for (int i = 0; result[i] != 0 || i == 0; i++) {
            System.out.println(result[i]);
        }
    }
}