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With a working class background , he was a union leader at his workplace at SKF and later became the Social Democratic Party 's " strong man " in Gothenburg .
 organization: SKF; organization: Social Democratic; location: Gothenburg
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: SKF; organization: Social Democratic; location: Gothenburg