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KV was founded in 1986 , as a cooperation between the Left Party - Communists ( VPK ) and Solidarity Party .
 Left Party - Communists, Solidarity Party
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Left Party - Communists, Solidarity Party