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Robert Arthur Whitcher ( April 29 , 1917 – May 8 , 1997 ) was a Major League Baseball pitcher who appeared in nine games for the Boston Braves in 1945 .
 person: Whitcher; organization: Major League Baseball; organization: Boston Braves
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: Whitcher, Major League Baseball, Boston Braves 
Answer:
 person: Whitcher; organization: Major League Baseball; organization: Boston Braves