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Before the pass , trekkers can spend the night either in Thorung Phedi ( at 4420 m ) or at Thorong High Camp ( 4800 m ) , meaning that they will have to climb a maximum of 1000 m and descend about .
 None
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:  
Answer:
 None