6557
He was stationed in Afghanistan and traveled extensively in the Middle East , Central Asia , and South Asia .
 location: Afghanistan; location: Middle East; location: Central Asia; location: South Asia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Afghanistan; location: Middle East; location: Central Asia; location: South Asia