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.

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

Given Relationship: 'invade', Sentence: 'Hitler has invaded Poland .'
invaded

Given Relationship: 'be bishop of', Sentence: 'The Bishops of Rome petitioned Pope Clement VIII to forbid coffee drinking to all of Christendom .'

Bishops