using System;

public class Program

{

    public static void Main()

    {

        string field1 = ExtractFieldAndDeterminateType("The Email field is required.", out Type type1);

        Console.WriteLine($"Field is: {field1} and Type is: {type1}"); // expected => Field is: Email and Type is: Error

        string field2 = ExtractFieldAndDeterminateType("The Username field is required.", out Type type2);

        Console.WriteLine($"Field is: {field2} and Type is: {type2}"); // expected => Field is: Username and Type is: Error

        string field3 = ExtractFieldAndDeterminateType("The InsertDate field is not a valid date.", out Type type3);

        Console.WriteLine($"Field is: {field3} and Type is: {type3}"); // expected => Field is: InsertDate and Type is: Date

        string field4 = ExtractFieldAndDeterminateType("Age should be between 1 and 99.", out Type type4);

        Console.WriteLine($"Field is: {field4} and Type is: {type4}"); // expected => Field is: Age and Type is: Range

    }

    public static string ExtractFieldAndDeterminateType(string input, out Type type)

    {

        string required = "The {0} field is required.";

        string date = "The {0} field is not a valid date.";

        string range = "{0} should be between {1} and {2}.";

        bool isRequired = false;

        bool isDate = false;

        bool isRange = false;

        type = Type.Unknown;

        // Logic to implement here

        string extractedField = string.Empty;

        if (isRequired) type = Type.Error;

        if (isDate) type = Type.Date;

        if (isRange) type = Type.Range;

        return extractedField;

    }

    public enum Type

    {

        Unknown,

        Error,

        Date,

        Range

    }

}