#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string>
#include<iostream>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include <sstream>
#include<iomanip>
#include <ctype.h>
using namespace std;

//#include<bits/stdc++.h>

int main() {

	int n, m;
	cin >> n;
	vector<pair<int, int>>a,b;
	for (int i = 0; i < n; i++) {
		int x, y;
		cin >> x >> y;
		a.push_back(make_pair(x, y));
	}
	cin >> m;

	for (int i = 0; i < m; i++) {
		int x, y;
		cin >> x >> y;
		b.push_back(make_pair(x, y));
	}
	vector<int>p;
	int ans = 0;
	int w = 1;
	for (int i = 0; i < m; i++) {
		int t = 0;
		for (int j = 0; j < n; j++) {
			if (b[i].first <= a[j].first&&b[i].second >= a[j].second)t++;
		}
		if (t&&ans == t) {
			p.push_back(i + 1);
		}
		if (ans < t) {
		//	cout << i;
			w = i + 1;
			p.clear();
			p.push_back(w);
			ans = max(ans, t);
		}
	}
	for (int i = 0; i < p.size(); i++) {
		cout << p[i] << endl;
	}

	return 0;
}