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At the suggestion of Paul McCartney , he recruited the Liverpool - based playwright Alun Owen to write the screenplay .
 Liverpool, Paul McCartney, he, the Liverpool - based playwright, Alun Owen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Liverpool, Paul McCartney, he, the Liverpool - based playwright, Alun Owen