12724
Stationed at Windsor , he had continual opportunities to attend concerts in London under conductors including Sir Thomas Beecham and Bruno Walter .
 location: Windsor; location: London; person: Thomas Beecham; person: Bruno Walter
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: Windsor, London, Thomas Beecham, Bruno Walter 
Answer:
 location: Windsor; location: London; person: Thomas Beecham; person: Bruno Walter