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The 1730 definition of the word " chemistry " , as used by Georg Ernst Stahl , meant the art of resolving mixed , compound , or aggregate bodies into their principles ; and of composing such bodies from those principles .
 person: Georg Ernst Stahl
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: Georg Ernst Stahl 
Answer:
 person: Georg Ernst Stahl