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Biography Lubis was born on March 7 , 1922 in Padang , West Sumatra to Raja Pandapotan Lubis , a high-ranking civil servant , and his wife .
 Lubis, Padang, West Sumatra, Lubis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lubis, Padang, West Sumatra, Lubis