static void Main(string[] args)
{
    Greet();
    string[] preferences = GetPreferences();
    ChooseDish(preferences);
}

static void Greet()
{
    Console.WriteLine("Welcome to the meal selection program!");
    Console.WriteLine("We will help you decide what to eat for dinner today.");
    Console.WriteLine();
}

static string[] GetPreferences()
{
    Console.WriteLine("What dishes are you craving today? Please provide five dishes, separated by pressing enter.");
    string[] dishes = new string[5];

    for (int i = 0; i < dishes.Length; i++)
    {
        dishes[i] = Console.ReadLine();
    }
    return dishes;
}

static void ChooseDish(string[] preferences)
{
    if (preferences.Length == 0)
    {
        Console.WriteLine("You did not provide any preferences.");
    }
    else
    {
        Random random = new Random();
        int index = random.Next(preferences.Length);
        string chosenDish = preferences[index];

        Console.WriteLine($"Based on your preferences, we suggest you eat: {chosenDish} today.");
    }
}