#include <bits/stdc++.h>
#include <typeinfo>
#include <cxxabi.h>
#ifdef LOCAL
#include "dbgtoki.hpp"
#define DUMP(i) dump((string)TOSTRING(i), demangle(typeid(i).name()), __LINE__ , i) 
#else
#define DUMP(i)
#endif

using namespace std;
#define TOSTRING(x) #x
#define SZ(x) (int)(x).size()
#define REP(i,n) for(int i=0;i<(n);i++)
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define ALL(s) (s).begin(), (s).end()
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()) , v.end());
#define dis distance
#define so sort
#define rev reverse
#define pub push_back
#define sec second
#define fir first

typedef long long unsigned int llu;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<vector <int> > vvi;
const int EPS = 1e-9;
const int MOD = 1e9+7;
const int INF = (1 << 30);

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
	int n,m;
	cin >> n;
	vi A(n),B(n);
	REP(i,n)cin>>A[i]>>B[i];
	cin >> m;
	vi X(m),Y(m);
	REP(i,m)cin>>X[i]>>Y[i];
	vi CNT(m,0),SOCNT(m,0);
	REP(i,m)REP(j,n)if((X[i]<=A[j])&&(Y[i]>=B[j])){
		CNT[i]++;
      	SOCNT[i]++;
	}
	so(ALL(SOCNT));
	int maxc = SOCNT[m-1];
	if(maxc == 0){
		cout << 0 << endl;
		return 0;
	}
	vi ANS;
	REP(i,m){
		if(maxc == CNT[i]){
			ANS.pub(i);
		}
	}
	REP(i,SZ(ANS)){
		cout << ANS[i]+1 << endl;
	}
	return 0;
}