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During this period , she befriended the father-and-son comparative anatomists and zoologists , Étienne Geoffroy Saint-Hilaire and Isidore Geoffroy Saint-Hilaire .
 person: Étienne Geoffroy Saint-Hilaire; person: Isidore Geoffroy Saint-Hilaire
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: Étienne Geoffroy Saint-Hilaire, Isidore Geoffroy Saint-Hilaire 
Answer:
 person: Étienne Geoffroy Saint-Hilaire; person: Isidore Geoffroy Saint-Hilaire