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Hildrus Augustus Poindexter ( May 10 , 1901 – April 21 , 1987 ) was a bacteriologist who studied the epidemiology of tropical disease s. Poindexter was the son of tenant farmer s in rural Alabama .
 person: Hildrus; person: Poindexter; person: Poindexter; location: Alabama
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Hildrus, Poindexter, Poindexter, Alabama 
Answer:
 person: Hildrus; person: Poindexter; person: Poindexter; location: Alabama