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In 1821 , Sébastien Érard invented the double escapement action , which incorporated a " repetition lever " ( also called the " balancier " ) that permitted repeating a note even if the key had not yet risen to its maximum vertical position .
 person: Sébastien Érard
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: Sébastien Érard 
Answer:
 person: Sébastien Érard