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For example , the swarming Joe Frazier , though easily dominated by the slugger George Foreman , was able to create many more problems for the boxer Muhammad Ali in their three fights .
 person: Joe Frazier; person: George Foreman; person: Muhammad Ali
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: Joe Frazier; person: George Foreman; person: Muhammad Ali