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History One the earliest known innovators to have created the modern office chair was naturalist Charles Darwin , who put wheels on the chair in his study so he could get to his specimens more quickly .
 person: Charles Darwin
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: Charles Darwin 
Answer:
 person: Charles Darwin