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He attended rehearsals and concerts led by Leopold Stokowski , Guido Cantelli , Pierre Monteux , Sir Thomas Beecham , and Leonard Bernstein .
 person: Leopold Stokowski; person: Guido Cantelli; person: Pierre Monteux; person: Thomas Beecham; person: Leonard Bernstein
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Leopold Stokowski, Guido Cantelli, Pierre Monteux, Thomas Beecham, Leonard Bernstein 
Answer:
 person: Leopold Stokowski; person: Guido Cantelli; person: Pierre Monteux; person: Thomas Beecham; person: Leonard Bernstein