6369
But Director Ba , as an intellectual who always spoke the truth and stood up for what was right , should have known that the lifelong term system of leaders is not good , and should have been opposed .
 Director Ba
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Director Ba