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This led to a confrontation with the printing unions National Graphical Association and Society of Graphical and Allied Trades .
 organization: National Graphical Association; organization: Society of Graphical and Allied Trades
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: National Graphical Association; organization: Society of Graphical and Allied Trades