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He took his vows to become a Benedictine monk in the Benedictine Abbey of Madiran on February 4 , 1951 .
 Benedictine monk, Benedictine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Benedictine monk, Benedictine