352800
In 2007 , 5763 visitors , called " friendship ambassadors , " traveled between 58 countries , with thousands of club members hosting visitors in their homes .
 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