#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <math.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> A(n);
    vector<int> B(n);
    for(int i = 0;i < n;i++){
        cin >> A[i] >> B[i];
    }
    int m;
    cin >> m;
    int x,y;
    vector<int> ans(m);
    int max=0;
    string anss;
    for(int i = 0;i < m;i++){
        cin >> x >> y;
        for(int j = 0;j < n;j++){
            if(x <= A[j] && y >= B[j])ans[i]++;
        }        if(ans[i] > max){
            max = ans[i];
            anss = to_string(i+1) + "\n";
        }
        else if(ans[i] == 0 &&ans[i] == max)
            anss = "0";
        else if(ans[i] == max){
            max = ans[i];
            anss += to_string(i+1) + "\n";
        }
    }
    cout << anss;
    return 0;
}