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

[Q]: Given Relationship: 'begin in', Sentence: 'Team registration for Fall Adult Coed begins Monday August 4 for the leagues which will begin play September 7 at the Eagle City Road Soccer Complex .'
[A]: begin

[Q]: Given Relationship: 'be president of', Sentence: 'Robert Mugabe became Zimbabwe 's first president after the establishment of majority rule and the official granting of independence from Britain in 1980 .'
[A]:
president