import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {

    private static List<String> questions = new ArrayList<>();
    private static List<String> options = new ArrayList<>();
    private static List<String> answers = new ArrayList<>();

    public static void main(String[] args) throws Exception {
        String lines = readFileAsString("questions.txt");

        Pattern pattern = Pattern.compile("[ \\t]*\\d+\\)[^\\n]+");
        Matcher m = pattern.matcher(lines);
        while (m.find()) {
            questions.add(m.group());
        }

        m.usePattern(Pattern.compile("(?:[ \\t]*[a-zA-Z]\\)[^\\n]+\\n)+"));
        m.reset();
        while (m.find()) {
            options.add(m.group());
        }

        m.usePattern(Pattern.compile("Answer:[^\\n]*"));
        m.reset();
        while (m.find()) {
            answers.add(m.group());
        }


        questions.forEach(System.out::println);
        options.forEach(System.out::println);
        answers.forEach(System.out::println);
    }

    private static String readFileAsString(String fileName) throws Exception {
        String data = "";
        data = new String(Files.readAllBytes(Paths.get(fileName)));
        return data;
    }
}