class QuestionAndAnswers
		{
			string _preliminaryQuestion;
			public string PreliminaryQuestion {
				get => Parameters != null ? string.Format(_preliminaryQuestion, Parameters) : _preliminaryQuestion;
				set => _preliminaryQuestion = value;
			}

			string _repeatedQuestion;
			public string RepeatedQuestion {
				get => Parameters != null ? string.Format(_repeatedQuestion, Parameters) : _repeatedQuestion;
				set => _repeatedQuestion = value;
			}

			public IEnumerable<Answer> PossibleAnswers { get; set; }

			public string[] Parameters { get; set; }

			public QuestionAndAnswers(string question, IEnumerable<Answer> possibleAnswers, string repeatedQuestion = null)
			{
				PreliminaryQuestion = question;
				PossibleAnswers = possibleAnswers;
				RepeatedQuestion = repeatedQuestion ?? question;
			}
		}