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Having gained recognition as a child prodigy both in composition and piano performance , he became a protégé of Erik Satie during the following decade .
 person: Erik Satie
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Erik Satie