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William Hans Press ( 1906 – 1990 ) was an American businessman and the Executive Vice President of the Greater Washington Board of Trade from 1941 to 1971 .
 Hans, Greater Washington Board of Trade
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hans, Greater Washington Board of Trade