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During the Battle of the Ch'ongch ' on River , soldiers of the 2nd Infantry Division were given the mission of protecting the rear and right flank of the Eighth Army as it retired to the south .
 organization: 2nd Infantry Division; organization: Eighth Army
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: 2nd Infantry Division; organization: Eighth Army