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He was born on 27 October 1927 and educated at Merchant Taylors ' and King 's College London .
 Merchant Taylors ', King 's College London
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Merchant Taylors ', King 's College London