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Walker was the brother of Major Leaguer Ernie Walker , and the father of Major Leaguers Dixie Walker and Harry Walker .
 person: Walker; organization: Major; person: Ernie Walker; organization: Major; person: Dixie Walker; person: Harry Walker
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Walker, Major, Ernie Walker, Major, Dixie Walker, Harry Walker 
Answer:
 person: Walker; organization: Major; person: Ernie Walker; organization: Major; person: Dixie Walker; person: Harry Walker