(a) What's the output from Program 2

(b) For Program 2, complete the drawing to show what 
       are the final contents in the created object(s)

(c) For Program 2, can you find examples of Up-casting, 
       Down-casting, and Dynamic Binding?  Please write 
       down all line number(s) for each of them.  If 
       none is found, write "NIL".