static void AbstractDemo()
{
TRex myTrex = new TRex();
Triceratops myTriceratops = new Triceratops();
myTrex.EatFood();
myTrex.Move();
myTrex.Sleeps();
myTrex.Communicates();
myTrex.SkinType();
myTrex.Teeth();
Console.WriteLine(" ");
myTriceratops.EatFood();
// has not been overwritten so "the dinosaur moves"
myTriceratops.Move();
myTriceratops.Sleeps();
myTriceratops.Communicates();
myTriceratops.SkinType();
myTriceratops.Teeth();
Console.WriteLine(" ");
Teradactyl myTeradactyl = new Teradactyl();
myTeradactyl.EatFood();
myTeradactyl.Move();
myTeradactyl.Sleeps();
myTeradactyl.Communicates();
myTeradactyl.Teeth();
myTeradactyl.SkinType();
}