133666
Then , on 29 July 1946 , the New People 's Party and the Communist Party of North Korea held a joint plenum of the Central Committees of both parties and agreed to merge into a single entity .
 Korea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Korea