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 They reflect at least in part a growing sense of confidence because of shifts in the Middle East in recent months , especially the Hamas victory in Palestinian elections , political paralysis in Lebanon and the intense difficulties facing the United States in trying to stabilize Iraq and stymie Iran 's drive toward nuclear power . 
 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: 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} 
 Entity Pairs:  Middle East, Iran 
Answer:
 location contains: Middle East, Iran