Описать логическую функцию "Потомок" (а, b) - C# - Ответ 2543694

using System;
using System.Collections.Generic;
 
class Person
{
    public Person(string name, uint yearOfBirth, uint age, Person mother, Person father )
    {
        Name = name;
        YearOfBirth = yearOfBirth;
        Age = age;
        Mother = mother;
        Father = father;
 
    }
 
    public string Name { get; private set; }
    public uint YearOfBirth { get; private set; }
    public uint Age { get; private set; }
 
    public Person Mother { get; private set; }
    public Person Father { get; private set; }
    public Person mgrandmother { get; private set; }
    public Person mgrandfather { get; private set; }
    public Person fgrandmother { get; private set; }
    public Person fgrandfather { get; private set; }
 
    public override string ToString()
    {
        return string.Format("{0}: родители {1} и {2}.", Name, Mother.Name, Father.Name);
    }
    public override string ToString()
    {
        return string.Format("{1}: родители {1} и {2}.", Name, mgrandmother.Name, mgrandfather.Name);
    }
    public override string ToString()
    {
        return string.Format("{2}: родители {1} и {2}.", Name, fgrandmother.Name, fgrandfather.Name);
    }
}
 
class Program
{
    static void Main()
    {
        string[] mgrandfathers = { "Дмитрий", "Иван", "Игорь", "Николай" };
        string[] mgrandmothers = { "Люба", "Мария", "Софья", "Клавдия" };
        string[] fgrandmothers = { "Наталья", "Екатерина", "Ольга", "Дарья" };
        string[] fgrandfathers = { "Илья", "Петр", "Павел", "Геннадий" };
        string[] mothers = { "Алла", "Алина", "Юля", "Оля" };
        string[] fathers = { "Игорь", "Андрей", "Петр", "Иван" };
        string[] children = { "Геннадий", "Инна", "Мира", "Тарас" };
        
        var dictionary1 = new Dictionary<string, Person>();
        for (int i = 0; i < 5; i++)
            dictionary1[children[i]] = new Person(children[i], 0, 0,
                new Person(mothers[i], 0, 0, null, null),
                new Person(fathers[i], 0, 0, null, null));
        
         Console.Write("Имя потомка: ");
        string name = Console.ReadLine();
        Console.WriteLine(dictionary1.ContainsKey(name) ? dictionary1[name].ToString() : "Такого потомка нет.");
        
        var dictionary2 = new Dictionary<string, Person>();
        for (int j = 0; j < 5; j++)
            dictionary2[mothers[j]] = new Person(mothers[j], 0, 0,
            new Person(mgrandmothers[j], 0, 0, null, null),
            new Person(mgrandfathers[j], 0, 0, null, null));
        
        var dictionary3 = new Dictionary<string, Person>();
        for (int k = 0; k < 5; k++)
            dictionary3[mothers[k]] = new Person(mothers[k], 0, 0,
            new Person(mgrandmothers[k], 0, 0, null, null),
            new Person(mgrandfathers[k], 0, 0, null, null));
    }
}