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More recently , thinkers have struggled to find a definition that could encompass formal differences as great as those between Chaucer 's " Canterbury Tales " and Matsuo Bashō 's " Oku no Hosomichi " , as well as differences in content spanning Tanakh religious poetry , love poetry , and rap .
 Chaucer, Matsuo Bashō
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chaucer, Matsuo Bashō