ZOJ

//其实也算水题，关键是要耐心做，不要浮躁
#include <cstdio>
#include <iostream>
#include <string>
#include <cstring>
using namespace std;

const int maxn = 205;

string name[maxn];
int ans[maxn];
int rec[maxn][maxn]; //record[i][j] 为第i个人的第j个回答 

int main()
{
	int t;
	cin >> t;
	while (t--)
	{
		memset(rec, 0, sizeof(rec));
		int n, q, c, d;
		cin >> n >> q >> c;
		for (int i = 0; i < c; i++) cin >> name[i];
		for (int i = 0; i < q; i++) //枚举题目 
		{
			int num; string x;
			cin >> num;
			while (num--)
			{
				cin >> x;
				for (int j = 0; j < c; j++) //枚举人 
				{
					if (name[j] == x)
					{
						rec[j][i] = 1;
					}
				}
			}		
		}
		for (int i = 0; i < n; i++) // 枚举要找的朋友数 
		{
			int fj; // fianl j
			for (int j = 0; j < q; j++) cin >> ans[j]; // 将当前要找的人，的所有答案输入 
			
			int cnt = 0; // count
			int m;		
			
			for (int k = 0; k < c; k++) // 枚举人 
			{	
				bool flag = true; 			
				for (m = 0; m < q; m++) //枚举q道题的答案 
				if (ans[m] != rec[k][m])
				{
					flag = false;
					break;
				}
				if (flag)
				{
					cnt++;
					fj = k;
				}
			}
			if (cnt == 1) cout << name[fj] << endl;
			else cout << "Let's go to the library!!" << endl;
		}
	}
	return 0;
}