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Hindenburg took no part in the campaign , in the September 1930 elections the Nazis achieved an electoral breakthrough , gaining 17 percent of the vote to become the second-strongest party in the Reichstag .
 person: Hindenburg; organization: Nazis; organization: Reichstag
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:
 person: Hindenburg; organization: Nazis; organization: Reichstag