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Before the sun had set on Friday , Richard Rahn , the supply - side chief economist of the U.S. Chamber of Commerce , issued a statement attributing the drop in stock prices to the Senate decision to postpone action on capital gains .
 date: Friday; person: Richard Rahn; geographical social political: U.S.; organization: Chamber of Commerce; organization: Senate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 date: Friday; person: Richard Rahn; geographical social political: U.S.; organization: Chamber of Commerce; organization: Senate