#include <iostream>
#include <fstream>
#include <string>
#include <vector>

using namespace std;

int n, c, q, k;
string table[9+6+6] = {"Ballroom", "Billiard Room", "Conservatory", "Dining Room", "Hall", "Kitchen", "Library", "Lounge", "Study", "Candlestick", "Gun", "Knife", "Lead Pipe", "Rope", "Wrench", "Colonel Mustard", "Miss Scarlet", "Mrs. Peacock", "Mrs. White", "Professor Plum", "Reverend Green"};
int u[9+6+6];
ifstream in("clue.in");
#define cin in
//ofstream out("clue.out");
//#define cout out

void check(int s, int e)
{
	vector<string> res;
	res.clear();
	for (int i = s; i < e; i++)
		if (u[i] == 0)
			res.push_back(table[i]);
		else if (u[i] == 1)
		{
			cout << table[i] << endl;
			return;
		}
	for (int i = 0; i < res.size(); i++)
	{
		cout << res[i] << endl;
	}
			
}

int getIndex(string entity)
{
	for (int i = 0; i < 21; i++)
		if (table[i] == entity)
			return i;
	return -1;
}

int main()
{
	int i, j;
	cin >> k;
	for (i = 1; i <= k ; i++)
	{
		cin >> n >> c >> q;
		memset(u, 0, sizeof(u));
		char buffer[50];
		string response, query[3];
		cin.getline(buffer, 50);
		for (j = 0; j < c; j++)
		{
			cin.getline(buffer, 50);
			string s = string(buffer);
			u[getIndex(s)] = -1;
		}
		for (j = 0; j < q; j++)
		{
			for (int p = 0; p < 3; p++)
			{
				cin.getline(buffer, 50);
				query[p].assign(buffer);
			}
			int p;
			for (p = 0; p < n - 1; p++)
			{
				cin.getline(buffer, 50);
				response.assign(buffer);
				if (response != "Nothing")
					break;
			}
			if (p == n - 1)
			{
				for (int i = 0; i < 3; i++)
					if (u[getIndex(query[i])] != -1)
						u[getIndex(query[i])] = 1;
			}
			else u[getIndex(response)] = -1;
		}
		cout << "Data Set " << i << ":\n";
		check(0, 9);
		check(9, 15);
		check(15, 21);
		cout << endl;
	}
	return 0;
}