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Gordon " Gymie " McMillan ( born c. 1927 ) is a former ice hockey player who was a member of the Michigan Wolverines team that won the first NCAA Frozen Four ice hockey championship in 1948 .
 Gordon, McMillan, Michigan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gordon, McMillan, Michigan