static void ProcessExtractMember()
        {
            if (manager == null)
            {
                Console.Instance.WriteErrorLine("Parse talks file after parsing!");
                return;
            }

            manager.ExtractMember();

            var ll = manager.Members;

            ll.Sort((x, y) => y.Talks.Count.CompareTo(x.Talks.Count));

            for (int i = 0; i < 1000; i++)
            {
                Console.Instance.WriteLine(ll[i].Name + $" ({ll[i].Talks.Count})");
            }
        }