#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = false;
//---------------------------------//

int main() {
	int N;
	cin >> N;
	vector<int> A(N), B(N);
	REP(i, N) scanf("%d %d", &A[i], &B[i]);
	int M;
	cin >> M;
	vector<int> X(M), Y(M);
	REP(i, M) scanf("%d %d", &X[i], &Y[i]);
	
	vector<int> cnt(M);
	REP(i, M) REP(j, N) cnt[i] += A[j] >= X[i] && Y[i] >= B[j];
	int mx = *max_element(ALL(cnt));
	if (mx == 0) puts("0");
	else REP(i, M) if (cnt[i] == mx) printf("%d\n", i + 1);
}