virtual: ZooAnimal::isA():
ZooAnimal name: circusZooAnimal

virtual: Bear::isA():
ZooAnimal name: cartoon Bear
	scientific name:	ursus cartoonus

virtual: Panda::isA():
ZooAnimal name: Giant Panda
	scientific name:	Ailuropoda Melaoleuca
	we call our friend:	Yin Yang