333617
Khaisilk 's members are mainly operating in Hà Nội , Hội An , Đà Lạt and Hồ Chí Minh City ( Saigon ) .
 Khaisilk
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Khaisilk