#include <cstdio>
#include <stack>
#include <set>
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <functional>
#include <cstring>
#include <algorithm>
#include <cctype>
#include <ctime>
#include <cstdlib>
#include <fstream>
#include <string>
#include <sstream>
#include <map>
#include <cmath>
#define LL long long
#define SZ(x) (int)x.size()
#define Lowbit(x) ((x) & (-x))
#define MP(a, b) make_pair(a, b)
#define MS(arr, num) memset(arr, num, sizeof(arr))
#define PB push_back
#define F first
#define S second
#define ROP freopen("input.txt", "r", stdin);
#define MID(a, b) (a + ((b - a) >> 1))
#define LC rt << 1, l, mid
#define RC rt << 1|1, mid + 1, r
#define LRT rt << 1
#define RRT rt << 1|1
#define BitCount(x) __builtin_popcount(x)
const double PI = acos(-1.0);
const int INF = 0x3f3f3f3f;
using namespace std;
const int MAXN = 300 + 10;
const int MOD = 20071027;
 
typedef pair<int, int> pii;
typedef vector<int>::iterator viti;
typedef vector<pii>::iterator vitii;
 
map<string, int> mp;
 
struct EDGE
{
    int from, to, cap, flow;
};
 
struct MAXFLOW
{
    int N;
    int a[MAXN], p[MAXN];
    vector<EDGE> edges;
    vector<int> G[MAXN];
 
    void init(int N)
    {
        for (int i = 0; i < N; i++) G[i].clear();
        edges.clear();
    }
 
    void add_edge(int from, int to, int cap, int flow)
    {
        edges.PB((EDGE){from, to, cap, 0});
        edges.PB((EDGE){to, from, 0, 0});
        int m = SZ(edges);
        G[from].PB(m - 2); G[to].PB(m - 1);
    }
 
    void EK(int st, int ed, int &flow)
    {
        queue<int> qu;
        while (true)
        {
            MS(a, 0);
            a[st] = INF;
            qu.push(st);
            while (!qu.empty())
            {
                int u = qu.front(); qu.pop();
                for (int i = 0; i < SZ(G[u]); i++)
                {
                    EDGE &e = edges[G[u][i]];
                    if (!a[e.to] && e.cap > e.flow)
                    {
                        a[e.to] = min(a[u], e.cap - e.flow);
                        p[e.to] = G[u][i];
                        qu.push(e.to);
                    }
                }
            }
            if (!a[ed]) break;
            int u = ed;
            while (u != st)
            {
                edges[p[u]].flow += a[ed];
                edges[p[u] ^ 1].flow -= a[ed];
                u = edges[p[u]].from;
            }
            flow += a[ed];
        }
    }
}maxFlow;
 
int main()
{
    //ROP;
    ios::sync_with_stdio(0);
     
    int T, i, j, n, m;
    cin >> T;
    while (T--)
    {
        int cnt = 2;
        mp.clear();
        maxFlow.init(MAXN);
        cin >> n;
        for (i = 0; i < n; i++)
        {
            string str;
            cin >> str;
            mp[str] = cnt++;
            maxFlow.add_edge(0, mp[str], 1, 0);
        }
        cin >> m;
        for (i = 1; i <= m; i++)
        {
            string thg, str;
            cin >> thg >> str;
            if (!mp.count(str))
                mp[str] = cnt++;
            mp[thg] = cnt++;
            maxFlow.add_edge(mp[str], mp[thg], 1, 0);
            maxFlow.add_edge(mp[thg], 1, 1, 0);
        }
        cin >> n;
        for (i = 0; i < n; i++)
        {
            string a, b;
            cin >> a >> b;
            if (!mp.count(a)) mp[a] = cnt++;
            if (!mp.count(b)) mp[b] = cnt++;
            maxFlow.add_edge(mp[b], mp[a], INF, 0);
        }
        int flow = 0;
        maxFlow.EK(0, 1, flow);
        printf("%d\n", m - flow);
        if (T) puts("");
    }
    return 0;
}