63570
He took the title of joint artistic director , along with Giorgio Strehler and Carlo Maria Badini , in 1976 .
 Giorgio Strehler, Carlo Maria Badini
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Giorgio Strehler, Carlo Maria Badini