47188
It is supplied by a number of major rivers , including the Danube , Dnieper , Southern Bug , Dniester , Don , and the Rioni .
 location: Danube; location: Dnieper; location: Southern Bug; location: Dniester; location: Don; location: Rioni
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: Danube, Dnieper, Southern Bug, Dniester, Don, Rioni 
Answer:
 location: Danube; location: Dnieper; location: Southern Bug; location: Dniester; location: Don; location: Rioni