58245
The population exploded after 1869 , when the Hannibal Bridge , designed by Octave Chanute , opened .
 location: Hannibal Bridge; person: Octave Chanute
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: Hannibal Bridge, Octave Chanute 
Answer:
 location: Hannibal Bridge; person: Octave Chanute