From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Given Relationship: 'be president of', Sentence: 'Having Obama elected as the United States ' next president comes as more of a shock than anything I 'd expected out of this election .'
president

Given Relationship: 'be gift of', Sentence: 'Grace is not the gift of God to learn about Him , but the power to obey Him .'
gift

Given Relationship: 'be signatory of', Sentence: 'Iran is signatory to NPT but its civilian nuclear programme of enrichment of Uranium is raising suspicion in America and Israel .'

signatory