import java.util.Scanner;

public class Oracle
{
    private String oldAnswer = "The answer is in your heart.";
    private String newAnswer;
    private String question;
	
    public void chat( )
    {
        System.out.print("I am the oracle. ");
        System.out.println("I will answer any one-line question.");
        Scanner keyboard = new Scanner(System.in);
        String response;
        do
        {
            answer( );
            System.out.println("Do you wish to ask another question?");
            response = keyboard.next( );
        } while (response.equalsIgnoreCase("yes"));
        System.out.println("The oracle will now rest.");
    }
	
    private void answer( )
    {
        System.out.println("What is your question?");
        Scanner keyboard = new Scanner(System.in);
        question = keyboard.nextLine();
        seekAdvice( );
        System.out.println("You asked the question:");
        System.out.println("  " + question);
		System.out.println("Now, here is my answer:");
        System.out.println("  " + oldAnswer);
        update( );
    }
	
    private void seekAdvice( )
    {
        System.out.println("Hmm, I need some help on that.");
        System.out.println("Please give me one line of advice.");
        Scanner keyboard = new Scanner(System.in);
        newAnswer = keyboard.nextLine();
        System.out.println("Thank you. That helped a lot.");
    }

    private void update( )
    {
        oldAnswer = newAnswer;
    }
}