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Hordes of the Things is a 1980 BBC radio comedy series parodying J. R. R. Tolkien 's The Lord of the Rings , and the fantasy genre in general , in a style similar to The Hitchhiker 's Guide to the Galaxy .
 organization: BBC; person: J. R. R. Tolkien
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: BBC, J. R. R. Tolkien 
Answer:
 organization: BBC; person: J. R. R. Tolkien