public static void Main()
Console.Write("Say something: ");
string input = Console.ReadLine();
if (input.Equals("Okay", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Alright");
else if (input.Equals("Alright", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Don't make me angry");
else if (input.Equals("Hello", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Hello");
else if (input.Equals("Say something", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Blyat");
else if (input.Equals("Tell a joke", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Хуёук");
else if (input.Equals("Го в качалку", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Витя, отъебись");
else if (input.Equals("Хуй", StringComparison.InvariantCultureIgnoreCase))
Console.WriteLine("Natasha: Ты хуй");
Console.WriteLine("Did you mean 'Okay'?");