201178
A son of Emperor Munjong of Koryo , he spent most of his life in Kaesŏng before retiring to the temple as an ascetic , where he lived until his death .
 Munjong of Koryo, Kaesŏng
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Munjong of Koryo, Kaesŏng