/// <inheritdoc/>
        public QuestionAnswerReceiveResult ReceiveQuestionPart(IEnumerable <TurnLog> questionTurns)
        {
            var answer = _module.GetRankedAnswer(questionTurns.Last().Text, _pool);

            if (answer.Rank < 0.8)
            {
                return(QuestionAnswerReceiveResult.HintNeeded(answer.Rank));
            }

            return(QuestionAnswerReceiveResult.From(answer));
        }
        /// <inheritdoc/>
        public QuestionAnswerReceiveResult ReceiveAnswerPart(IEnumerable <TurnLog> answerTurns)
        {
            var lastTurn        = answerTurns.Last();
            var parsedUtterance = UtteranceParser.Parse(lastTurn.Text);

            foreach (var word in parsedUtterance.Words)
            {
                if (_pool.Graph.HasEvidence(word))
                {
                    var answer = new[] { _pool.Graph.GetNode(word) };
                    return(QuestionAnswerReceiveResult.From(new Ranked <IEnumerable <NodeReference> >(answer, 1.0)));
                }
            }
            throw new NotImplementedException("Parse answer");
        }