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Clinton ' s itinerary inevitably looks back to war - related issues , like repatriating the remains of Americans lost in action and helping remove land mines still buried in Vietnamese soil .
 Vietnamese, Clinton, Americans lost in action, Vietnamese soil, land mines still buried in Vietnamese soil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Vietnamese, Clinton, Americans lost in action, Vietnamese soil, land mines still buried in Vietnamese soil