200990
2 , 3 , 4 , 5 , 6 , 8 , 9 , 10 and 11 : vocals by Björk Guðmundsdóttir .
 Björk
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Björk