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Amongst those taking part in these recitals were the piano virtuoso Alexander Dreyschock and Frédéric Chopin 's pupil , the 13-year old Carl Filtsch .
 person: Alexander Dreyschock; person: Frédéric Chopin; person: Carl Filtsch
Please list all entity words in the text that fit the category.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} 
Answer:
 person: Alexander Dreyschock; person: Frédéric Chopin; person: Carl Filtsch