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Straczynski has stated that there was no intent to wholly represent any particular period of history or preceding work of fiction , but has acknowledged their influence on the series , insamuch as it uses similar well established storytelling structures , such as the Hero 's journey .
 Straczynski, Hero
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Straczynski, Hero