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Martin Lang ( born June 14 , 1968 in Saarbrücken ) is a German slalom canoer who competed from the mid-1980s to the early 2000s .
 person: Martin Lang; location: Saarbrücken; location: German
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: Martin Lang, Saarbrücken, German 
Answer:
 person: Martin Lang; location: Saarbrücken; location: German