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The rotation of plane polarized light by chiral substances was first observed by Jean-Baptiste Biot in 1815 , and gained considerable importance in the sugar industry , analytical chemistry , and pharmaceuticals .
 person: Jean-Baptiste Biot
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: Jean-Baptiste Biot 
Answer:
 person: Jean-Baptiste Biot