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French naturalist Anselme Gaëtan Desmarest proposed the name " Phascolarctos fuscus " in 1820 , suggesting that the brown-coloured versions were a different species than the grey ones .
 person: Anselme Gaëtan Desmarest
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: Anselme Gaëtan Desmarest 
Answer:
 person: Anselme Gaëtan Desmarest