115081
In 1952 , he performed as soloist in his own Concerto in C major for piano and orchestra with the San Francisco Symphony , under the direction of Pierre Monteux , and was the symphony 's guest conductor in March 1953 .
 organization: San Francisco Symphony; person: Pierre Monteux
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: San Francisco Symphony, Pierre Monteux 
Answer:
 organization: San Francisco Symphony; person: Pierre Monteux