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The character history of the Earth-Two Robin accordingly adopts all of the earliest stories featuring the character from the 1940 s and 1950 s , while the adventures of the mainstream Robin ( who lived on " Earth-One " ) begin later in time and with certain elements of his origin retold .
 person: Robin
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: Robin 
Answer:
 person: Robin