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In one sense , the first modern ethologist was Charles Darwin , whose 1872 book " The Expression of the Emotions in Man and Animals " influenced many ethologists .
 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