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Nomination to federal judiciary On July 31 , 2009 , President Barack Obama nominated Kallon to be a judge on the United States District Court for the Northern District of Alabama .
 person: Barack Obama; person: Kallon; location: Alabama
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: Barack Obama, Kallon, Alabama 
Answer:
 person: Barack Obama; person: Kallon; location: Alabama