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He then changed his opinions , and after as sermon in a puritan vein in Great St. Mary 's by John Millen or Milayn , a fellow of Christ 's , in October 1573 , he controverted its teaching in the same place during the afternoon .
 Christ
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Christ