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Above the 31st floor , there are no more setbacks until the 60th floor , above which the structure is funneled into a Maltese cross shape that " blends the square shaft to the finial " , according to author and photographer Cervin Robinson .
 person: Cervin Robinson
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: Cervin Robinson 
Answer:
 person: Cervin Robinson