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May Flights of Angels Sing Thee to Thy Rest " ) ( ) is a musical composition by British composer John Tavener with lyrics by Mother Thekla , an Orthodox nun , which is intended to be sung a cappella by a four-part ( soprano , alto , tenor and bass ) choir .
 location: British; person: John Tavener
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: British, John Tavener 
Answer:
 location: British; person: John Tavener