23127
Some of the major cities along the length of the arc include Portland , Seattle , and Vancouver , and the population in the region exceeds 10 million .
 location: Portland; location: Seattle; location: Vancouver
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: Portland, Seattle, Vancouver 
Answer:
 location: Portland; location: Seattle; location: Vancouver