using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

    public void Proc()
    {
        int memberCount = int.Parse(Reader.ReadLine());
        this.mentaiMembers = new Person[memberCount];
        for (int i = 0; i < memberCount; i++) {
            this.mentaiMembers[i] = new Person(Reader.ReadLine());
        }
        Dictionary<int, int> mentai = new Dictionary<int, int>();
        int mentaiCount = int.Parse(Reader.ReadLine());
        int maxBuy = 0;
        for (int i = 0; i < mentaiCount; i++) {
            int[] inpt = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
            int price = inpt[0];
            int karasa = inpt[1];
            int buy = this.mentaiMembers.Count(a => a.Kane >= price && a.Karasa <= karasa);
            if(buy>0) {
                mentai.Add(i + 1, buy);
                maxBuy = Math.Max(maxBuy, buy);
            }
        }

        StringBuilder ans = new StringBuilder();
        mentai.Where(a=>a.Value==maxBuy).OrderBy(a=>a.Key).ToList().ForEach(a=>ans.AppendLine(a.Key.ToString()));
        if(ans.Length>0) {
            Console.Write(ans.ToString());
        } else {
            Console.WriteLine(0);
        }
    }

    Person[] mentaiMembers;

    private class Person {
        public int Kane;
        public int Karasa;
        public Person(string inpt) {
            int[] tmp = inpt.Split(' ').Select(a => int.Parse(a)).ToArray();
            this.Kane = tmp[0];
            this.Karasa = tmp[1];
        }
    }


    public class Reader
    {
        private static StringReader sr;
        public static bool IsDebug = false;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (sr == null)
                {
                    sr = new StringReader(InputText.Trim());
                }
                return sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
        private static string InputText = @"


4
8 6
3 5
4 2
7 3
1
10 2


";
    }

    public static void Main(string[] args)
    {
#if DEBUG
        Reader.IsDebug = true;
#endif
        Program prg = new Program();
        prg.Proc();
    }
}