/* ========================================================================
   $File: $
   $Date: $
   $Revision: $
   $Creator: Creative GP $
   $Notice: (C) Copyright 2017 by Creative GP, Inc. All Rights Reserved. $
   ======================================================================== */

#define CPP

#include <iostream>
#include <iomanip>
#include <cmath>
#include <vector>
#include <map>

#define ll long long

using namespace std;

struct Info {
    ll price, hot;
};

int main()
{
    vector<ll> bought;
    ll members;
    cin >> members;

    vector<Info> rest;
    for (int i = 0; i < members; i++) {
        Info r;
        cin >> r.price >> r.hot;
        rest.push_back(r);
    }

    ll mentaiko;
    cin >> mentaiko;
    vector<Info> mentaiko_info;
    for (int i = 0; i < mentaiko; i++) {
        Info r;
        cin >> r.price >> r.hot;
        mentaiko_info.push_back(r);
    }

    for (int j = 0; j < mentaiko; j++) {
        bought.push_back(0);
        for (int i = 0; i < members; i++) {
            if (mentaiko_info[j].hot >= rest[i].hot && mentaiko_info[j].price <= rest[i].price) {
                bought[j] += 1;
            }
        }
    }

    ll maxi = 0;
    ll maxindex = -1;
    for (auto it = bought.begin(); it != bought.end(); ++it) {
        if (maxi < *it) {
            maxi = *it;
            maxindex = distance(bought.begin(), it);
        }
    }

    cout << maxindex+1 << endl;
}