8198
The massive Yukon–Kuskokwim Delta , one of the largest river deltas in the world , is here .
 location: Yukon–Kuskokwim Delta
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: Yukon–Kuskokwim Delta 
Answer:
 location: Yukon–Kuskokwim Delta