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In 1918 he attended the Fourth All Russian Conference of Trade Unions ( 12 – 17 March ) , where he moved a resolution concerning the Relations between the Trade Unions and the Commissariat for Labour which stated that the October Revolution had changed " the meaning and character of state organs and significance of proletarian organs as well " .
 Labour
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Labour