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September 's steep rise in producer prices shows that inflation still persists , and the pessimism over interest rates caused by the new price data contributed to the stock market 's plunge Friday .
 date: September; date: Friday
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: September; date: Friday