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At the beginning of 1993 , six cities such as Zhuhai , Foshan , etc. also organized a delegation to advertise in the US and Canada for students studying abroad .
 date: the beginning of 1993; cardinal: six; geographical social political: Zhuhai; geographical social political: Foshan; geographical social political: US; geographical social political: Canada
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: the beginning of 1993; cardinal: six; geographical social political: Zhuhai; geographical social political: Foshan; geographical social political: US; geographical social political: Canada