using System;

public class Program

{

    public static void Main()

    {

        int score = 0;

        Console.WriteLine("Option quiz program. Type the number of the answer you think is correct.");

        Console.WriteLine();

        Console.WriteLine("Here are your questions: ");

        Console.WriteLine();

        Console.WriteLine("1 of 14: How many natural wonders are there in the world?");

        Console.WriteLine("A: 5");

        Console.WriteLine("B: 9");

        Console.WriteLine("C: 8");

        Console.WriteLine("D: 9");

        Console.WriteLine();

        Console.WriteLine("Your answer: ");

        string answer1 = Console.ReadLine().ToUpper();

        if (answer1 == "D")

        {

            Console.WriteLine("Correct answer! (+ 5 points.)");

            score += 5;

        }

        else

        {

            Console.WriteLine("Wrong answer!");

        }

        Console.WriteLine();

        Console.WriteLine("2 of 14: What potentially new natural wonder is recognized for having the highest tides on the planet?");

        Console.WriteLine("A: Bay of Fundy in Canada");

        Console.WriteLine("B: Southern California Coast");

        Console.WriteLine("C: Long Bay in Vietnam");

        Console.WriteLine();

        Console.WriteLine("Your answer: ");

        string answer2 = Console.ReadLine().ToUpper();

        if (answer2 == "A")

        {

            Console.WriteLine("Correct answer! (+ 5 points.)");

            score += 5;

        }

        else

        {

            Console.WriteLine("Wrong answer!");

        }

        Console.WriteLine();

        Console.WriteLine("3 of 14: Which one of the following is part of an alternative list known as 'Seven Wonders of the Underwater World'?");

        Console.WriteLine("A: Dead Sea");

        Console.WriteLine("B: Lake Baikal");

        Console.WriteLine("C:  Niagara Falls");

        Console.WriteLine();

        Console.WriteLine("Your answer: ");

        string answer3 = Console.ReadLine().ToUpper();

        if (answer3 == "B")

        {

            Console.WriteLine("Correct answer! (+ 5 points.)");

            score += 5;

        }

        else

        {

            Console.WriteLine("Wrong answer!");

        }

        Console.WriteLine();

        Console.WriteLine("4 of 14: Which of the following mountains usually is included as an official natural wonder?");

        Console.WriteLine("A: Mount Everest in Nepal");

        Console.WriteLine("B: The Andes Mountain Peak Cerro Aconcagua in Argentina");

        Console.WriteLine("C: Mount Kilimanjaro in Tanzania");

        Console.WriteLine();

        Console.WriteLine("Your answer: ");

        string answer4 = Console.ReadLine().ToUpper();

        if (answer4 == "A")

        {

            Console.WriteLine("Correct answer! (+ 5 points.)");

            score += 5;

        }

        else

        {

            Console.WriteLine("Wrong answer!");

        }

        Console.WriteLine();

        Console.WriteLine("Your total score is " + score + ".");

    }

}