7300
Whether appointed by the legislature , the executive , or an organization ( or , less frequently , elected by the constituency that he or she serves ) , the typical duties of an ombudsman are to investigate complaints and attempt to resolve them , usually through recommendations ( binding or not ) or mediation .
 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