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Agresphon 's book on homonymous people was thought to have been similar to , or perhaps dependent upon , a work by Demetrius of Magnesia , which bears the same title , and was written around the 1st century BC .
 person: Agresphon; person: Demetrius of Magnesia
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: Agresphon; person: Demetrius of Magnesia