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He was featured in the first season of HBO 's Hard Knocks series as a member of the Ravens .
 organization: HBO; organization: Ravens
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: HBO, Ravens 
Answer:
 organization: HBO; organization: Ravens