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Alexander David Gregor MacKenzie ( 9 July 1956 , Inverness ) is a former Scottish international rugby union player .
 person: Alexander; person: MacKenzie; location: Inverness
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: Alexander, MacKenzie, Inverness 
Answer:
 person: Alexander; person: MacKenzie; location: Inverness