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.

[Q]: Given Relationship: 'be president of', Sentence: 'When Barack Obama became the 44th president of United States , there was a sense of ecstasy , joy and relief in virtually every country of the world , except in Pakistan , Iraq and Afghanistan .'
[A]: president


[Q]: Given Relationship: 'belong in', Sentence: 'I think any argument which claims Blyleven belongs in the Hall of Fame can be effectively refuted , so give it your best shot .'
[A]: belongs


[Q]: Given Relationship: 'be president of', Sentence: 'Shimon Peres the president of Israel has done it again !'
[A]:
president