168654
Regarding his field work , Roaf dug in Iran , Iraq , Turkey , and Bahrein .
 Roaf, Iran, Iraq, Turkey, Bahrein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roaf, Iran, Iraq, Turkey, Bahrein