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Marco had been sent to Genoa by his father , Piero , to study at the Banco di San Giorgio .
 location: Genoa; person: Piero; person: di
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: Genoa, Piero, di 
Answer:
 location: Genoa; person: Piero; person: di