259638
Participants have attended from 33 states and 17 locations outside the United States including Argentina , Canada , China , Egypt , Ethiopia , India , Ireland , Iran , Japan , Kenya , Mexico and Romania .
 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