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 chairman of', Sentence: 'Alan Greenspan , Chairman of the Board of Governors of the Federal Reserve System , gave the conference keynote address .'
[A]: Chairman


[Q]: Given Relationship: 'speak of', Sentence: 'If God did speak to Paul giving him the teachings that were meant to be given to the people , then God would preserve those teachings .'
[A]: speak


[Q]: Given Relationship: 'knock out', Sentence: '1974 : " The Rumble in The Jungle " : Muhammad Ali knocks out George Foreman in Kinshasa , Zaire to regain the World Heavyweight Boxing championship .'
[A]:
knocks