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.

Ex Input:
Given Relationship: 'be chairman of', Sentence: 'Frank , the powerful chairman of the House Financial Services Committee who has been credited with largely shaping the $ 700 billion bailout plan , also said he expects the cost of to be much less .'

Ex Output:
chairman


Ex Input:
Given Relationship: 'be president of', Sentence: 'Pakistan 's president Gen . Pervez Musharraf threatened yesterday to kill militant followers of an Islamic cleric who said he and his comrades prefer death to surrender .'

Ex Output:
president


Ex Input:
Given Relationship: 'call meeting of', Sentence: 'The President of the Board of Trustees calls the meetings of the Board .'

Ex Output:

meetings