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McCormick Tribune Plaza & Ice Rink or McCormick Tribune Plaza is a multi-purpose venue within Millennium Park in the Loop community area of Chicago , Illinois , in the United States .
 McCormick Tribune, McCormick Tribune, Loop, Chicago, Illinois, United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 McCormick Tribune, McCormick Tribune, Loop, Chicago, Illinois, United States