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After appearing in a VlogBrothers video by Hank Green in 2012 , she joined the group of educational YouTube channels herself in 2013 with " The Brain Scoop " .
 person: Hank Green
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: Hank Green 
Answer:
 person: Hank Green