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The rail corridor runs through four provinces and one autonomous region — Henan , Hubei , Hunan , Guangxi and Guangdong — and is designed to facilitate the shipment of goods from the Chinese interior to the Port of Zhanjiang .
 Henan, Hubei, Hunan, Guangxi, Guangdong, Zhanjiang
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Henan, Hubei, Hunan, Guangxi, Guangdong, Zhanjiang