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Since 1991 when Shenzhen established the first standing talent market , such " all - weather " talent exchange organizations have rapidly spread in the Zhujiang Delta and all cities within the province .
 date: Since 1991; geographical social political: Shenzhen; ordinal: first; location: the Zhujiang Delta
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: Since 1991; geographical social political: Shenzhen; ordinal: first; location: the Zhujiang Delta