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In 2000 , he spoke at a rally at Harvard University in support of an increased living wage for all workers on campus ; his father worked as a janitor at the university .
 organization: Harvard University
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: Harvard University