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It was originally named Sloan Field for Samuel Addison Sloan , who leased 240 acres of pastureland from Clarence Scharbauer , a rancher in October 1927 to establish a privately owned landing field and flying school .
 None
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:  
Answer:
 None