20761
The republic sat next to the Vaal River , but existed for an extremely short time .
 location: Vaal River
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: Vaal River 
Answer:
 location: Vaal River