using System;
using System.Linq;
using System.Collections.Generic;

class No647{
    static void Main(){
        var pC=Int32.Parse(Console.ReadLine());
        List<int> priceList=new List<int>();
        List<int> karasaList=new List<int>();
        for(int i=0;i<pC;++i){
            var people=Console.ReadLine().Split(' ').Select(x=>Int32.Parse(x)).ToArray();
            priceList.Add(people[0]);
            karasaList.Add(people[1]);
        }
        var mC=Int32.Parse(Console.ReadLine());
        for(int i=0;i<mC;++i){
            var mentai=Console.ReadLine().Split(' ').Select(x=>Int32.Parse(x)).ToArray();
            priceList.Add(mentai[0]);
            karasaList.Add(mentai[1]);
        }
        List<int> answerList=new List<int>();
        answerList.Add(0);
        var mentaiCount=0;
        var mentaiCountHozon=0;
        for(int i=0;i<mC;++i){
            for(int j=0;j<pC;++j){
                if(priceList[pC+i]<=priceList[j]&&karasaList[pC+i]>=karasaList[j])mentaiCount++;
            }
            if(mentaiCount>mentaiCountHozon){
                mentaiCountHozon=mentaiCount;
                answerList.Clear();
                answerList.Add(mC+1);
            }else if(mentaiCount!=0&&mentaiCount==mentaiCountHozon){
                answerList.Add(mC+1);
            }
        }
        Console.WriteLine(answerList.Select(x=>x));
    }
}