338540
That year he returned to what had become the state of Oregon and served as the principal at the Bethel Institute in the Eola Hills in Polk County .
 organization: Oregon; location: Bethel Institute; location: Polk County
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: Oregon, Bethel Institute, Polk County 
Answer:
 organization: Oregon; location: Bethel Institute; location: Polk County