22519
He studied piano with Roy Shepherd , a pupil of Alfred Cortot .
 person: Roy Shepherd; person: Alfred Cortot
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: Roy Shepherd, Alfred Cortot 
Answer:
 person: Roy Shepherd; person: Alfred Cortot