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According to a 2020 study by economist Trevon Logan , increases in black politicians led to greater tax revenue , which was put towards public education spending ( and land tenancy reforms ) .
 person: Trevon Logan
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: Trevon Logan 
Answer:
 person: Trevon Logan