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In an interview , Edward Joyce , the president of the Chicago Board Options Exchange , said the industry was ` ` just acting prudently ' ' by going slowly .
 the Chicago Board Options Exchange, the industry, Edward Joyce, the president of the Chicago Board Options Exchange
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 the Chicago Board Options Exchange, the industry, Edward Joyce, the president of the Chicago Board Options Exchange