6217
Famous visitors include Charlemagne , Charles V ( Holy Roman Emperor ) , Philip II of Spain and Pope John Paul II .
 Charlemagne, Charles V ( Holy Roman Emperor ), Philip II of Spain, Pope John Paul II
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Charlemagne, Charles V ( Holy Roman Emperor ), Philip II of Spain, Pope John Paul II