Deference and Reference in C#

 if (role.Trim().ToLower().Equals("administrator") || role.Trim().ToLower().Equals("manager") || role.Trim().ToLower().Equals("user"))
                {
                    Console.WriteLine($"Your input value ({role}) has been accepted.");
                    break;
                }
                else
                {
                    Console.WriteLine($"The role name that you entered, \"{role}\" is not valid. Enter your role name (Administrator, Manager, or User) ");
                }