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The " seven hills of Rome " ( , ) east of the river Tiber form the geographical heart of Rome , within the walls of the city .
 location: Rome; location: Tiber; location: Rome
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: Rome, Tiber, Rome 
Answer:
 location: Rome; location: Tiber; location: Rome