346487
After an eight-month search , authorities located William Cantwell Walters , who worked as a peripatetic handyman , specializing in the tuning and repair of pianos and organs , and traveling through Mississippi with a boy who appeared to match the description of Bobby Dunbar .
 location: Mississippi; person: Bobby Dunbar
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: Mississippi, Bobby Dunbar 
Answer:
 location: Mississippi; person: Bobby Dunbar