#include<algorithm>
#include<iostream>
#include<vector>
using namespace std;
typedef long long lint;
typedef vector<int>vi;
typedef pair<int,int>pii;
#define rep(i,n)for(int i=0;i<(int)(n);++i)

int main(){
  int n;
  cin>>n;
  vi a(n),b(n);
  rep(i,n)cin>>a[i]>>b[i];
  int m;
  cin>>m;
  vi x(m),y(m),c(m);
  rep(i,m)cin>>x[i]>>y[i];
  rep(i,n){
    rep(j,m){
      if(x[j]<=a[i]&&y[j]>=b[i])c[j]++;
    }
  }
  vector<pii>t;
  rep(i,m){
    t.push_back(pii(-c[i],i+1));
  }
  sort(t.begin(),t.end());
  int cnt=0;
  rep(i,m){
    if(i==0||t[i].first==t[i-1].first){
      cout<<t[i].second<<endl;
      cnt++;
    }else{
      break;
    }
  }
  if(cnt==0)cout<<0<<endl;
}