text: """ Creating and Combining Sets of Friends """
  
  college = set(['Bill', 'Katy', 'Verne', 'Dillon',
                 'Bruce', 'Olivia', 'Richard', 'Jim'])
  
  coworker = set(['Aaron', 'Bill', 'Brandon', 'David',
                  'Frank', 'Connie', 'Kyle', 'Olivia'])
  
  family = set(['Garry', 'Landon', 'Larry', 'Mark',
                'Olivia', 'Katy', 'Rae', 'Tom'])
  