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: 'attack', Sentence: 'The U.S. has pledged to warn Israel of any attack against Iraq .'

Ex Output:
attack


Ex Input:
Given Relationship: 'be city in', Sentence: 'Capital and largest city of the state of Ohio is Columbus .'

Ex Output:

city