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The Up served as the opening act for the MC5 during a September 1968 show at the University of Michigan 's Union Ballroom in Ann Arbor .
 University of Michigan, Ann Arbor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Michigan, Ann Arbor