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The modern rule establishing a wait of five years was passed in 1954 , although an exception was made for Joe DiMaggio because of his high level of previous support , thus permitting him to be elected within four years of his retirement .
 Joe DiMaggio
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Joe DiMaggio