45471
Though Iran , Syria and Saudi Arabia have long been accused of aiding militants in Iraq , and the country 's Shiite revival has already sent ripples across other Arab nations , most noticeably Lebanon , rulers around the Middle East have been expressing even more concerns about cross-border destabilization .
 location contains: Middle East, Syria; location contains: Middle East, Lebanon; location contains: Middle East, Iraq; location contains: Middle East, Saudi Arabia; location contains: Middle East, Iran
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Middle East, Syria; Middle East, Lebanon; Middle East, Iraq; Middle East, Saudi Arabia; Middle East, Iran 
Answer:
 location contains: Middle East, Syria; location contains: Middle East, Lebanon; location contains: Middle East, Iraq; location contains: Middle East, Saudi Arabia; location contains: Middle East, Iran