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Locally , it replaced the National Union of Dock Labourers , which had been formed in Glasgow in 1889 but later became unpopular in that port , finally closing its local branch in February 1910 .
 National Union of Dock Labourers, Glasgow
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 National Union of Dock Labourers, Glasgow