using System;
using System.Collections.Generic;
using System.Linq;
public class Program
{
    static void Main()
    {
        List<Member> Members = new List<Member>();
        List<int> Kiseki = new List<int>();
        Kiseki.Add(0);
        int MaxNum = 0;
        int KaiCount = 0;
        
        for(var i = int.Parse(Console.ReadLine()); i>0 ;i--){
            Members.Add( Member.MakeMember( Splitter( Console.ReadLine() ).Select( a => int.Parse(a) ).ToList() ) );
        }
        var MembersList = Members.OrderByDescending(a => a.Yosan).ThenBy(a => a.Karasa).GroupBy(b => b.Yosan);
        
        int MentaiMax = int.Parse(Console.ReadLine());
        List<int> Tmp = new List<int>();
        for(var j = 1; j <= MentaiMax ;j++){
            KaiCount = 0;
            Tmp = Splitter( Console.ReadLine() ).Select( a => int.Parse(a) ).ToList();
            foreach(var k in MembersList){
                if(k.Key < Tmp[0]){
                    break;
                }
                foreach(var l in k){
                    if(l.Karasa > Tmp[1]){
                        break;
                    }
                    KaiCount ++;
                }
            }
            
            if(KaiCount > MaxNum){
                Kiseki.Clear();
                MaxNum = KaiCount;
                Kiseki.Add(j);
            }else if(KaiCount == MaxNum && MaxNum != 0){
                Kiseki.Add(j);
            }
        }
        
        foreach(var m in Kiseki){
            Console.WriteLine(m);
        }
    }
    
    static List<string> Splitter(string Input, char Delimiter = ' '){
        return new List<string>(Input.Split(Delimiter));
    }
    
}

public class Member
{
    public int Yosan;
    public int Karasa;
    
    public Member(int InYosan, int InKarasa){
        Yosan = InYosan;
        Karasa = InKarasa;
    }
    
    public bool Kauka(List<int> list){
        return (list[0] <= Yosan) && (list[1] >= Karasa);
    }
    
    public static Member MakeMember(List<int> list){
        return new Member(list[0],list[1]);
    }
}