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 B. B. King Bids Farewell at Montreux The blues guitarist and songwriter B. B. King , 80 , ailing and on a final tour of Europe , bade an emotional farewell to fans at a concert that stretched into the early hours yesterday at the Montreux Jazz Festival in Switzerland , where he has performed for more than 20 years , Reuters reported . 
 location contains: Europe, Switzerland
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Europe, Switzerland 
Answer:
 location contains: Europe, Switzerland