#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>

using namespace std;


int main() {
	int i, j, k;
	int n;
	vector<vector<string>> s(20, vector<string>(10));
	bool flag[20] = { false };
	vector<string>s2(5555);
	int cnt = 0;

	cin >> n;

	int num, seki;

	for (i = 0; i < n; i++) {
		cin >> num;

		if (num == 0) {
			cin >> seki;
			int m;
			cin >> m;

			flag[seki-1] = true;

			for (j = 0; j < m; j++) {
				cin >> s[seki-1][j];
			}

		}
		else if (num == 1) {
			string b;

			cin >> b;

			bool flag2 = false;

			for (int ii = 0; ii < 20; ii++) {
				if (flag[ii] == true) {
					for (int jj = 0; jj < 10; jj++) {
						if (s[ii][jj] == b) {
							//cout << i + 1 << endl;

							s2[cnt] = to_string(ii + 1);
							cnt++;

							s[ii][jj] = "zzzzzzzzszz";
							flag2 = true;
							break;
						}
					}
					if (flag2 == true) break;
				}
			}

			if (flag2 == false) {
				//cout << -1 << endl;

				s2[cnt] = to_string(-1);
				cnt++;
			}

		}
		else {

			cin >> seki;

			flag[seki - 1] = false;

			for (int iii = 0; iii < 10; iii++) {
				s[seki - 1][iii] = "zzzzzzzszzza";
			}
		}

	}



	for (int ia = 0; ia < cnt; ia++) {
		cout << s2[ia] << endl;
	}









	getchar();
	getchar();
	return 0;
}