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 fill by', Sentence: 'A Vacancy in the office of President shall be filled by the Vice .'

Ex Output:
filled


Ex Input:
Given Relationship: 'be chairman of', Sentence: 'Alan Greenspan , the Chairman of the U.S. Federal Reserve , the current U.S. administration , and U.S. politicians of all stripes could teach a few lessons to those who dictated the level of inflation ahead of them .'

Ex Output:
Chairman


Ex Input:
Given Relationship: 'be city in', Sentence: 'We took a cab to the train station and boarded the 1:30 train to Malmo , a city in southern Sweden .'

Ex Output:

city