55996
From 1902 he was a member of the Russian Social Democratic Labour Party , later remaining with the Bolshevik faction of the party .
 Russian Social Democratic Labour Party, Bolshevik
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Russian Social Democratic Labour Party, Bolshevik