1835
The rivers Radau , Ecker and Ilse all discharge into the Oker .
 location: Radau; location: Ecker; location: Ilse; location: Oker
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Radau; location: Ecker; location: Ilse; location: Oker