985
A young boy discovered a small cache of ransom bills along the banks of the Columbia River in February 1980 .
 location: Columbia 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: Columbia River 
Answer:
 location: Columbia River