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The United States criticized four of its closest allies in the Middle East on Friday , saying Kuwait , Qatar , Saudi Arabia and the United Arab Emirates are doing little if anything to stop forced labor and other forms of '' modern slavery '' within their borders .
 location contains: Middle East, Qatar; location contains: Middle East, United Arab Emirates; location contains: Middle East, Saudi Arabia; location contains: Middle East, Kuwait
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, Qatar; Middle East, United Arab Emirates; Middle East, Saudi Arabia; Middle East, Kuwait 
Answer:
 location contains: Middle East, Qatar; location contains: Middle East, United Arab Emirates; location contains: Middle East, Saudi Arabia; location contains: Middle East, Kuwait