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 mayor of', Sentence: 'Former New York City mayor Rudy Giuliani joined in the mockery .'

Ex Output:
mayor

Ex Input:
Given Relationship: 'lead', Sentence: 'Clinton led McCain by 29 points in March , 61 % to 32 % .'

Ex Output:
led

Ex Input:
Given Relationship: 'be officer of', Sentence: 'The University office is the administrative office for the transaction of business of the University and conducts all correspondence relating to the University under the directions of the Vice-Chancellor who is the academic head and Principal Executive Officers of the University exercises general control over its affairs .'

Ex Output:
office