import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

class Book{
    int bookId;
    int score;
    public Book(int bookId,int score){
        this.bookId=bookId;
        this.score=score;
    }
}
class Library{
    int libraryId;
    int numberOfBooks;
    int timeToSignup;
    int booksToShipPerDay;
    List<Integer> booksIds;

    public Library(int libraryId, int numberOfBooks, int timeToSignup, int booksToShipPerDay, ArrayList<Integer>booksIds) {
        this.numberOfBooks = numberOfBooks;
        this.timeToSignup = timeToSignup;
        this.booksToShipPerDay = booksToShipPerDay;
        booksIds=new ArrayList<>();
        this.booksIds=booksIds;
    }

    public ArrayList<Book> getChosenOrderedBooks(){

    }


}
public class Array{

    public static ArrayList<Library> getChosenSortedLibraries(){

    }

    public static void solveTask(int numberOfBooks, ArrayList<Book> books, int numberOfLibraries,
                                 ArrayList<Library> libraries, int numberOfDays) throws FileNotFoundException {


        PrintWriter printWriter = new PrintWriter("output.txt");
        ArrayList<Library> chosenLibraries = getChosenSortedLibraries();
        int numberOfChosenLibraries = chosenLibraries.size();
        printWriter.write(numberOfLibraries);
        printWriter.write("\n");

        for (int i = 0; i < numberOfChosenLibraries ; i++) {
            Library chosenLibrary = chosenLibraries.get(i);
            printWriter.write(chosenLibrary.libraryId);
            printWriter.write(" ");
            ArrayList<Book> chosenBooksFromLibrary = chosenLibrary.getChosenOrderedBooks();
            int numBooks = chosenBooksFromLibrary.size();
            printWriter.write(numBooks);
            printWriter.write("\n");
            for (int j = 0; j < numBooks; j++) {
                Book chosenBook = chosenBooksFromLibrary.get(j);
                printWriter.write(chosenBook.bookId);
                printWriter.write(" ");
            }
            printWriter.write("\n");
        }

        printWriter.flush();
    }
    public static void main(String[] args) throws IOException {
        String fileName = "";
        Scanner scanner = new Scanner(new FileReader(fileName));
        int numberOfBooks = scanner.nextInt();
        int numberOfLibraries = scanner.nextInt();
        int numberOfDays = scanner.nextInt();
        ArrayList<Book> books = new ArrayList<>();
        for (int i = 0; i < numberOfBooks; i++) {
            int bookScore = scanner.nextInt();
            Book book = new Book(i,bookScore);
            books.add(book);
        }
        ArrayList<Library> libraries = new ArrayList<>();
        for (int i = 0; i < numberOfLibraries; i++) {
            int numBooksInLibrary = scanner.nextInt();
            int numDaysToSignup = scanner.nextInt();
            int numBooksCanShip = scanner.nextInt();
            ArrayList<Integer> booksIds = new ArrayList<>();
            for (int j = 0; j < numBooksInLibrary; j++) {
                booksIds.add(scanner.nextInt());
            }
            Library library = new Library(i,numBooksInLibrary,numDaysToSignup,numBooksCanShip,booksIds);
            libraries.add(library);
        }

        solveTask(numberOfBooks,books,numberOfLibraries,libraries,numberOfDays);
    }
}