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Leijer spent two years at the Victorian Institute of Sport and then moved on to the Melbourne Knights for the last season of the now defunct National Soccer League , where he made 18 appearances during a season where the club finished second last in the competition .
 person: Leijer; organization: Melbourne Knights
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: Leijer, Melbourne Knights 
Answer:
 person: Leijer; organization: Melbourne Knights