Sentence 1: switzerland's trade and diplomatic relations with iran have been criticized in recent months after foreign minister micheline calmy-rey traveled to tehran in march 2008 to sign a deal with iran's state gas firm. 
Sentence 2: switzerland's trade and diplomatic relations with the islamic republic have been criticized in recent months after foreign minister micheline calmy-rey traveled to tehran in march 2008 to sign a gas deal.
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