public void Start() { BusinessLogicLayer bll = new BusinessLogicLayer(); while (true) { Question question = bll.GetNextQuestion(); if (question == null) { break; } else { Console.Clear(); Console.WriteLine($"Question: {question.Statement}"); Console.WriteLine($"1: {question.Option1}"); Console.WriteLine($"2: {question.Option2}"); Console.WriteLine($"3: {question.Option3}"); Console.WriteLine($"4: {question.Option4}"); Console.WriteLine($"Marks: {question.Marks}"); Console.WriteLine("Please enter your response: "); int option = Convert.ToInt32(Console.ReadLine()); bll.Checkresponse(option); } } }