1834
' '' '' Reflections ' '' '' is the title of a recording by American guitarists Chet Atkins and Doc Watson .
 location: American; person: Chet Atkins; person: Doc Watson
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: American, Chet Atkins, Doc Watson 
Answer:
 location: American; person: Chet Atkins; person: Doc Watson