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In 1952 , incumbent Louisville Congressman Thruston B. Morton decided against seeking another term in that seat .
 location: Louisville; person: Thruston B. Morton
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: Louisville, Thruston B. Morton 
Answer:
 location: Louisville; person: Thruston B. Morton