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The authorities have started building sandbag walls to protect the main road into Vietnam ' s commercial capital , Ho Chi Min city .
 geographical social political: Vietnam; geographical social political: Vietnam ' s commercial capital; geographical social political: Ho Chi Min city; person: The authorities; facility: sandbag walls; facility: the main road into Vietnam ' s commercial capital , Ho Chi Min city
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Vietnam; geographical social political: Vietnam ' s commercial capital; geographical social political: Ho Chi Min city; person: The authorities; facility: sandbag walls; facility: the main road into Vietnam ' s commercial capital , Ho Chi Min city