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.

[Q]: Given Relationship: 'be president of', Sentence: 'Barack Obama elected the 44th President of the United States .'
[A]: President


[Q]: Given Relationship: 'speak at', Sentence: 'It is true that Mahmod Ahmadinejad is scheduled to speak at Columbia this Monday .'
[A]: speak


[Q]: Given Relationship: 'be borough in', Sentence: 'Chicora , Pennsylvania - Chicora is a borough in Butler County , Pennsylvania , United States .'
[A]:
borough