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: 'Pakistan 's president Gen . Pervez Musharraf threatened yesterday to kill militant followers of an Islamic cleric who said he and his comrades prefer death to surrender .'
[A]: president


[Q]: Given Relationship: 'meet in', Sentence: 'The Committee meets quarterly on the fourth Thursday of February , May , August and the third Thursday of November at 5:00 p.m. in Fullerton City Hall , Council Chambers , 303 W. Commonwealth Avenue , Fullerton , CA 92832 .'
[A]: meets


[Q]: Given Relationship: 'be head by', Sentence: 'Each District Office , headed by a District Director , has a specified service area that may include part of a state , an entire state , or many states .'
[A]:
headed