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Taebong has been overthrown , and Goryeo established in the Korean peninsula , when Wang Kon ascends the throne at Cheorwon .
 Taebong, Goryeo, Korean peninsula, Wang Kon, Cheorwon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Taebong, Goryeo, Korean peninsula, Wang Kon, Cheorwon