284190
The park is operated by the Riverside County Regional Park and Open-Space District ( RivCo Parks ) .
 location: Riverside
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: Riverside 
Answer:
 location: Riverside