There are three types of animals: Dog, Cat, and Bird. And they contain three common instance variables (think what kind of data types should be used to declare them): 5. a. name b. age c. weight And some common method (To implement each method, just print out the function name, like the function of eat) is printing "eat" on your screen. All methods should use this rule no matter it is common or particular to an animal) d. eat() e. talk) f. sleep() Beside these common variables and methods, please notice that Dog has a method called bark(), Cat has a method called meow), and Bird has a method called chirp). What you need to do is: Define all animals. Then in your main) method, print out all functions each animal can 0 Hint: don't forget to use superclass to save your time