static void Main(string[] args) { Mammal Bob = new Mammal(25); Dog George = new Dog(40, "Shepard"); Cat Missi = new Cat(27, "Myaaau"); Console.WriteLine($"Bob is {Bob.Age} years old"); Console.WriteLine($"George is {George.Age} years old and he is a {George.Breed} breed."); George.WagTail(); Console.WriteLine($"Missi is {Missi.Age} years old and she like to say {Missi.Myau} ;)"); int five = 5; if (!(five is string)) { Console.WriteLine(five); } }