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After Silius Italicus , Appian of Alexandria mentioned in his book Iberiké , the first military conflict known between Gallaeci and Romans .
 person: Silius Italicus; person: Appian of Alexandria; location: Romans
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Silius Italicus, Appian of Alexandria, Romans 
Answer:
 person: Silius Italicus; person: Appian of Alexandria; location: Romans