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However , anarcho-capitalism was developed in the 20th century and the first person to use the term " anarcho-capitalism " was Murray Rothbard .
 person: Murray Rothbard
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: Murray Rothbard 
Answer:
 person: Murray Rothbard