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Using the convenience of the channels to the sea of the great Southwest , Guangxi has also strengthened horizontal economic ties with provinces , regions , and cities such as Sichuan , Yunnan , Guizhou , Hunan , Tibet , Shanghai , etc .
 Southwest, Guangxi, Sichuan, Yunnan, Guizhou, Hunan, Tibet, Shanghai
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 Southwest, Guangxi, Sichuan, Yunnan, Guizhou, Hunan, Tibet, Shanghai