import java.lancs.Person;

public class Ex4n1
{
  public static void main (String[] args)
    {
      Person person1 = new Person ("Mary", 
                                   "Smith", 
                                   30, 
                                   Person.FEMALE);

      Person person2 = new Person ("Becky", 
                                   "O'Reilly", 
                                   15, 
                                   Person.FEMALE);

      Person person3 = new Person ("Bill", 
                                   "Jones", 
                                   18, 
                                   Person.MALE);

      Person person4 = new Person ("Chip", 
                                   "Youngblood", 
                                   17, 
                                   Person.MALE);

      print_person_info (person1);
      print_person_info (person2);
      print_person_info (person3);
      print_person_info (person4);

    } // end of main method


  public static void print_person_info (Person p)
    {

      System.out.println ();
      System.out.print (p.getForename () + " ");
      System.out.print (p.getSurname () + " is a ");
      System.out.println (determine_identity (p));

    } // end of print_person_info method


  public static String determine_identity (Person p)
    {

      String identity;
      if (p.getGender () == Person.MALE) 
        {
          if (p.getAge () > 17)
            {
              identity = "man";
            }
          else
            {
              identity = "boy";
            }
        }
      else if (p.getGender () == Person.FEMALE) 
        {
          if (p.getAge () > 17)
            {
              identity = "woman";
            }
          else
            {
              identity = "girl";
            }
        }
      else
        {
          identity = "unknown";
        }

      return identity;

    } // end of determine_identity

} // end of class