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Maxentius rode with them and attempted to cross the bridge of boats ( Ponte Milvio ) , but he was pushed into the Tiber and drowned by the mass of his fleeing soldiers .
 person: Maxentius; location: Ponte Milvio; location: Tiber
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: Maxentius, Ponte Milvio, Tiber 
Answer:
 person: Maxentius; location: Ponte Milvio; location: Tiber