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

[EX Q]: Given Relationship: 'operate in', Sentence: 'This website is owned and operated by Lafarge North America Inc. , a Lafarge Group company .'
[EX A]: operated

[EX Q]: Given Relationship: 'celebrate', Sentence: 'Americans celebrate the Thanksgiving holiday on the fourth Thursday of November , with the Friday after being also an unofficial day off from work for many known as " Black Friday . "'
[EX A]:
celebrate