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' '' July 30 '' ' : Superman co-creator Joe Shuster dies at age 78 .
 person: Superman; person: Joe Shuster
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: Superman; person: Joe Shuster