#include <iostream>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define REP(i,m,n) for(int i=m;i<(int)(n);i++)

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