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In 2006 , Mjöll co-wrote and performed three songs with C.J. Vanston for the film For Your Consideration , which was directed by Christopher Guest .
 Mjöll, C.J. Vanston, Christopher Guest
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mjöll, C.J. Vanston, Christopher Guest