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A right-handed pitcher , he was signed by the St. Louis Cardinals in 1948 as an amateur free agent and made his Major League Baseball debut on May 3 , 1951 .
 organization: St. Louis Cardinals; organization: Major League Baseball
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: St. Louis Cardinals, Major League Baseball 
Answer:
 organization: St. Louis Cardinals; organization: Major League Baseball