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After fulfilling his military obligations in 1893 , he married Maria Karoline Hente , and took a job at the Essen Gas and Water Works company , where he would rise to the position of Financial Vice President .
 location: Essen
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: Essen 
Answer:
 location: Essen