91982
List According to the Mountaineering : The Freedom of the Hills , the ten essentials are : The textbook recommends supplementing the ten essentials with : Not every expedition will require the use of an essential item .
 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