static void Main(string[] args)
{
Dog dog = new Dog();
Male male = new Male();
Parrot parrot = new Parrot();
ParrotAdapter parrotAdapter = new ParrotAdapter(parrot);
dog.MakeSound("Bhow Bhow!");
male.SpeakWords("Ssup dude!");
parrot.MakeSound("Phew!");
// parrot should not 'make sound', it should 'speak words'
parrotAdapter.SpeakWords("Hey, parrot can speak.");
Console.ReadLine();
}