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The most widely known species is " Aloe vera " , or " true aloe " , so called because it is cultivated as the standard source of so-called " aloe vera " for assorted pharmaceutical purposes .
 plant: Aloe vera
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: Aloe vera 
Answer:
 plant: Aloe vera