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In August 1973 , he broke a record set by Ty Cobb when he stole his 50th base of the season , marking the ninth time he had stolen 50 or more bases in a season .
 person: Ty Cobb
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: Ty Cobb