16372
 Lt. Gen. Walter E. Buchanan III , the commander of American air forces in the Middle East , said in an interview at his headquarters here that there were really only two enduring bases for the United States in the region : Al Udeid in Qatar and Al Dhafra air base in the United Arab Emirates , from which the Air Force flies U-2 spy planes , the remotely piloted Global Hawk surveillance aircraft , and KC-135 refueling planes . 
 location contains: Middle East, United Arab Emirates
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Middle East, United Arab Emirates