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In 1884 , Edward Carpenter stayed with Riley while he was visiting Walt Whitman .
 person: Edward Carpenter; person: Riley; person: Walt Whitman
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: Edward Carpenter, Riley, Walt Whitman 
Answer:
 person: Edward Carpenter; person: Riley; person: Walt Whitman