#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	cin >> n;
	int64_t a[n], b[n];
	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i];
	}
	int m;
	cin >> m;
	int64_t x[m], y[m];
	for (int i = 0; i < m; i++) {
		cin >> x[i] >> y[i];
	}
	int puni[m]{};
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (x[j] <= a[i] && b[i] <= y[j]) {
				puni[j]++;
			}
		}
	}
	int maxi = *max_element(puni, puni + m);
	if (!maxi) {
		cout << 0 << endl;
		return 0;
	}
	vector<int> ans;
	for (int i = 0; i < m; i++) {
		if (puni[i] == maxi) {
			ans.emplace_back(i);
		}
	}
	for (auto &i : ans) {
		cout << i + 1 << endl;
	}
	return 0;
}