Lab 9: Semantic Nets
    
       - Open up a new project and make a new class with a main function. 
 
       
  
       - Make a semantic net graph with just the five profs. You
           can do this with an array of strings.
 
       - Make sure they are connected by arcs.  Here you can have 
           an array of arcs with the arc-name and the two nodes it connects.
       
 
       - Using the net, print out all the classes that AI Prof Is
 
       - Add the five features for the net. 
 
       - Print out all the features AI Prof has. 
 
       - Add the Chris and Frank Instance. 
 
       - Print out all of Frank's features. 
 
       - Detect the inheritence conflict. 
 
       - Write an algorithm to detect a generic inheritence conflict.