91379
They are a magnificent group of caves that are only accessible by boat , about two hours upstream from the center of Luang Prabang , and have recently become more well known and frequented by tourists .
 location: Luang Prabang
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: Luang Prabang 
Answer:
 location: Luang Prabang