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During his career , Schroen served in numerous posts , including Station Chief in Kabul , Afghanistan ( but working out of Pakistan ) in the late 1980s .
 Schroen, Kabul, Afghanistan, Pakistan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Schroen, Kabul, Afghanistan, Pakistan