252334
He then returned to Koblenz , where he became conductor of the royal musical institution and of the orchestra at the theatre , with the title of royal musical director .
 location: Koblenz
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: Koblenz 
Answer:
 location: Koblenz