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When originally described by Carl Linnaeus in 1766 , he used the name " Gymnotus electricus " , placing it in the same genus as " Gymnotus carapo " ( banded knifefish ) which he had described several years earlier .
 person: Carl Linnaeus
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: Carl Linnaeus 
Answer:
 person: Carl Linnaeus