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They crossed the Danube with the Marcomanni and Quadi during the reign of Marcus Aurelius ( 161 – 180 ) .
 person: Marcus Aurelius
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: Marcus Aurelius 
Answer:
 person: Marcus Aurelius