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At a reception Monday , James H . Billington , the librarian of Congress , said Herblock ' s cartoons will be seen 100 years from now .
 organization: Congress; person: James H . Billington; person: the librarian of Congress; person: Herblock
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: Congress, James H . Billington, the librarian of Congress, Herblock 
Answer:
 organization: Congress; person: James H . Billington; person: the librarian of Congress; person: Herblock