#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstdio>
#include <cstring>
#include <ctime>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>
#include <sstream>
#include <utility>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
#define all(c) (c).begin(), (c).end()
#define loop(i,a,b) for(ll i=a; i<ll(b); i++)
#define rep(i,b) loop(i,0,b)
#define each(e,c) for(auto&e:c)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
#define lb lower_bound
#define ub upper_bound
#ifdef DEBUG
#define dump(...) (cerr<<#__VA_ARGS__<<" = "<<(DUMP(),__VA_ARGS__).str()<<" ["<<__LINE__<<"]"<<endl)
struct DUMP:ostringstream{template<class T>DUMP &operator,(const T&t){if(this->tellp())*this<<", ";*this<<t;return *this;}};
#else
#define dump(...)
#endif
template<class T> ostream& operator<<(ostream& os, vector<T> const& v){
    rep(i,v.size()) os << v[i] << (i+1==v.size()?"":" ");
    return os;
}

typedef pair<string,string> range;

range parse(string s){
    string l = s.substr(0,5), r = s.substr(6,5);
    return mp(l,r);
}

int main(){
    int N;
    while(cin >> N){
        vector<range> rs(N);
        string s;
        rep(i,N){
            cin >> s;
            rs[i] = parse(s);
        }
        int n; cin >> n;
        vector<range> tea;
        rep(i,n){
            int k; cin >> k;
            rep(j,k){
                cin >> s;
                tea.pb(parse(s));
            }
        }
        int m;
        cin >> m;
        vector<range> stu;
        rep(i,m){
            int k; cin >> k;
            rep(j,k){
                cin >> s;
                stu.pb(parse(s));
            }
        }

        int ans = 0;
        rep(i,N){
            int a = 0, b = 0;
            string L = rs[i].first;
            string R = rs[i].second;
            for(auto & p : tea) if(p.first <= L && R <= p.second) a++;
            for(auto & p : stu) if(p.first <= L && R <= p.second) b++;
            ans += min(a,b);
        }
        cout << ans << endl;
    }
}