#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int n;
    cin >> n;
    int a[n], b[n];
    rep(i,n)cin >> a[i] >> b[i];
    int m;
    cin >> m;
    int x[m], y[m];
    rep(i,m)cin >> x[i] >> y[i];
    int cnt[m] = {};
    rep(i,m){
        rep(j,n){
            if(x[i] <= a[j] && b[j] <= y[i])cnt[i]++;
        }
    }
    int ma = 0;
    rep(i,m)ma = max(ma, cnt[i]);
    if(ma == 0){
        cout << 0 << endl;
    }else{
        rep(i,m)if(cnt[i] == ma)cout << i + 1 << endl;
    }
    return 0;
}