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He has produced films for PBS , HBO , CNN , and the Library of Congress , as well as making independent documentary films .
 organization: Library; organization: Congress
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: Library, Congress 
Answer:
 organization: Library; organization: Congress