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Bill Finger stated that he wanted to include Robin because " Batman did n't have anyone to talk to , and it got a little tiresome always having him thinking .
 person: Bill Finger; person: Robin; person: Batman
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Bill Finger; person: Robin; person: Batman