107036
Led by Col. Henry G. Hester , for many years the secretary of the Exchange , reports were compiled and then transmitted by telegraph , a novel method at the time .
 organization: Exchange
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: Exchange 
Answer:
 organization: Exchange