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One of his most famous films , " Sleep " , monitors poet John Giorno sleeping for six hours .
 person: John Giorno
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: John Giorno 
Answer:
 person: John Giorno