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President Grover Cleveland appointed Thomas M. Cooley , a railroad ally , as its first chairman and a permit system was used to deny access to new entrants and legalize price fixing .
 person: Grover Cleveland; person: Thomas M. Cooley
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: Grover Cleveland, Thomas M. Cooley 
Answer:
 person: Grover Cleveland; person: Thomas M. Cooley