20385
The distribution of Camassia quamash across the Pacific Northwest is most likely the result of postglacial migration .
 location: Pacific Northwest
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: Pacific Northwest 
Answer:
 location: Pacific Northwest