58503
It is situated on the Abens river , a tributary of the Danube .
 location: Abens; location: Danube
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: Abens, Danube 
Answer:
 location: Abens; location: Danube