private void answersAnalysis(FactManager factManager)
        {
            List <string> tags = new List <string>();

            for (LinkedListNode <Question> question = questionDatabase.getQuestions().First; question != null; question = question.Next)
            {
                Question node = question.Value;
                if (node.getAnswer())
                {
                    tags.Add(node.getTag());
                }
            }
            Dictionary <Fact, double> compareTags = factManager.getFactDatabase().Compare(tags);
            double max     = 0.0;
            Fact   maxFact = new Fact();

            foreach (var entry in compareTags)
            {
                if (entry.Value > max)
                {
                    max     = entry.Value;
                    maxFact = entry.Key;
                }
            }
            maxFact.show(max);
        }
        private bool updateQuestionList(string signal, string tag, FactManager factManager)
        {
            if (signal == "y")
            {
                //выборка списка тегов из базы знаний
                List <string> resultTags = new List <string>();
                Dictionary <List <string>, Fact> facts = factManager.getFactDatabase().getFacts();
                int  count          = 0;
                bool continueSignal = true;
                foreach (KeyValuePair <List <string>, Fact> entry in facts)
                {
                    if (entry.Key.Contains(tag))
                    {
                        foreach (var element in entry.Key)
                        {
                            resultTags.Add(element);
                        }
                        count++;
                    }
                }

                if (count == 1)
                {
                    continueSignal = false;
                }

                LinkedListNode <Question> firstNode = questionDatabase.getQuestions().First;
                for (LinkedListNode <Question> question = firstNode; question != null; question = question.Next)
                {
                    string currentQuestionTag = question.Value.getTag();
                    //question.Value.getId() != id &&
                    if (!resultTags.Contains(currentQuestionTag))
                    {
                        //удаление узла question
                        question.Value.setStatus(false);

                        /*question.Previous.Next = question.Next;
                         * question.Next.Previous = question.Previous;
                         * question.Previous = null;
                         * question.Next = null;*/
                    }
                }
                return(continueSignal);
            }
            else
            {
                return(true);
            }
        }