#include <iostream>
#include <fstream>
#include <string>
#include <math.h>

using namespace std;

bool findAbb(string building, string comp, int j, int fl);

int main()
{
	ifstream infile;
	int numDS;
	int numBuildings;
	string tempLine;

	infile.open("BUILDING.IN");

	infile >> numDS;
	getline(infile, tempLine);

	for(int i = 0; i < numDS; i++)
	{
		infile >> numBuildings;
		getline(infile, tempLine);

		string array[1000];
		string comp;

		for(int j = 0; j < numBuildings; j++)
		{
			getline(infile, array[j]);
		}

		infile >> comp;
		getline(infile, tempLine);

		cout << "Data Set " << i + 1 << ":" << endl;

		for(int k = 0; k < numBuildings; k++)
		{
			if(findAbb(array[k], comp, 0, 0))
				cout << array[k] << endl;
		}
	}

	infile.close();

	return 0;
}

bool findAbb(string building, string comp, int j, int firstLetter)
{
	if(j == comp.length())
		return true;

	for(int l = firstLetter; l < building.length(); l++)
	{
		if(building[l] == comp[j] || building[l] - 32 == comp[j] || building[l] == comp[j] - 32)
		{
			firstLetter = l;
			return findAbb(building, comp, j + 1, firstLetter + 1);
		}
	}
	return false;
}