#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    int N; cin >> N;
    vector<pair<int,int>> A(N);
    for(auto &[x, y] : A) cin >> x >> y;
    int M; cin >> M;
    vector<pair<int,int>> B(M);
    for(auto &[x, y] : B) cin >> x >> y;

    vector<int> cnt(M, 0);
    rep(i,M)rep(j,N)cnt[i] += B[i].first <= A[j].first && B[i].second >= A[j].second;
    int ma = *max_element(cnt.begin(), cnt.end());
    if(ma == 0) {
        cout << 0 << endl;
    } else {
        rep(i,M) if(ma == cnt[i]) cout << i + 1 << '\n';
    }
}