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Praetorius studied organ early with his father ( Jacob Praetorius , the elder ( 1520 - 1586 ) , also a composer ) , afterwards going to Cologne for further study .
 person: Praetorius; person: Jacob; person: Praetorius; location: Cologne
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: Praetorius, Jacob, Praetorius, Cologne 
Answer:
 person: Praetorius; person: Jacob; person: Praetorius; location: Cologne